15-letter words with H in the middle
Delve into the fascinating world of words where the letter H is nestled in the middle. This section highlights the unique placement of H in various words, illustrating how it contributes to their sound and meaning. From everyday language to more unusual terms, discover how H in the middle shapes the essence of these words.
| Word | Points | Definition | Sentence example |
|---|---|---|---|
| straightforward | 26 | without concealment or deception; honest | straightforward in all his business affairs |
| psychologically | 31 | with regard to psychology | war that caught them in its toils either psychologically or physically |
| cinematographer | 25 | a photographer who operates a movie camera | - |
| psychotherapist | 30 | a therapist who deals with mental and emotional disorders | - |
| methamphetamine | 29 | an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant | - |
| technologically | 26 | by means of technology | technologically impossible |
| notwithstanding | 23 | despite anything to the contrary (usually preceding a concession) | - |
| synchronization | 32 | coordinating by causing to indicate the same time | the synchronization of their watches was an important preliminary |
| ophthalmologist | 26 | a medical doctor specializing in the diagnosis and treatment of diseases of the eye | - |
| unsophisticated | 23 | not wise in the ways of the world | either too unsophisticated or too honest to promise more than he could deliver |
| disenfranchised | 25 | deprived of the rights of citizenship especially the right to vote | - |
| photojournalist | 27 | a journalist who presents a story primarily through the use of photographs | - |
| physiologically | 29 | of or relating to physiological processes; with respect to physiology | physiologically ready |
| philosophically | 30 | in a philosophic manner | she took it philosophically |
| interchangeable | 23 | capable of replacing or changing places with something else; permitting mutual substitution without loss of function or suitability | interchangeable electric outlets |
| physiotherapist | 28 | therapist who treats injury or dysfunction with exercises and other physical treatments of the disorder | - |
| anthropological | 23 | of or concerned with the science of anthropology | anthropological studies |
| whatchamacallit | 30 | something unspecified whose name is either forgotten or not known | - |
| misapprehension | 24 | an understanding of something that is not correct | - |
| parthenogenesis | 21 | process in which an unfertilized egg develops into a new individual; common among insects and some other arthropods | - |
| chronologically | 26 | with respect to chronology | he is chronologically older |
| sadomasochistic | 25 | of or relating to sadomasochism | sadomasochistic sexual practices |
| pharmacological | 27 | of or relating to pharmacology | - |
| cinematographic | 27 | - | - |
| photojournalism | 29 | journalism that presents a story primarily through the use of pictures | - |
| anthropomorphic | 29 | suggesting human characteristics for animals or inanimate things | - |
| undistinguished | 21 | not special in any way; lacking distinction | - |
| distinguishable | 22 | (often followed by `from') not alike; different in nature or quality | - |
| synchronisation | 23 | coordinating by causing to indicate the same time | - |
| therapeutically | 25 | for therapeutic purposes | - |
| pseudoephedrine | 24 | poisonous crystalline alkaloid occurring with ephedrine and isomorphic with it | - |
| trustworthiness | 21 | the trait of deserving trust and confidence | - |
| succinylcholine | 27 | a muscle relaxant for striated muscle that is used as an adjunct to anesthesia during certain surgical procedures | - |
| neurophysiology | 27 | the branch of neuroscience that studies the physiology of the nervous system | - |
| enfranchisement | 25 | a statutory right or privilege granted to a person or group by a government (especially the rights of citizenship and the right to vote) | - |
| thoughtlessness | 22 | the trait of not thinking carefully before acting | - |
| sympathetically | 30 | in a sympathetic manner | she listened to him sympathetically |
| psychopathology | 34 | the branch of medicine dealing with the diagnosis and treatment of mental disorders | - |
| distributorship | 23 | - | - |
| catheterization | 29 | the operation of introducing a catheter into the body | - |
| incomprehension | 24 | an inability to understand | his incomprehension of the consequences |
| nearsightedness | 20 | (ophthalmology) eyesight abnormality resulting from the eye's faulty refractive ability; distant objects appear blurred | - |
| neuropsychiatry | 28 | the branch of medicine dealing with mental disorders attributable to diseases of the nervous system | - |
| palaeopathology | 26 | the study of disease of former times (as inferred from fossil evidence) | - |
| demographically | 29 | - | - |
| euphemistically | 27 | in a euphemistic manner | his violent death was euphemistically referred to as a passing away |
| architecturally | 25 | with regard to architecture | this building is ugly, but architecturally interesting |
| troubleshooting | 21 | - | - |
| underhandedness | 21 | - | - |
| unchallengeable | 23 | not open to challenge | unchallengeable facts |
| uncomprehending | 26 | lacking understanding | tried to explain to her uncomprehending husband |
| substratosphere | 22 | - | - |
| phenolphthalein | 28 | a laxative used in many preparations under various trade names; also used as an acid-base indicator in titrations involving weak acids and strong bases because it is brilliant red at high alkalinity and colorless below pH 8 | - |
| phosphorescence | 29 | a fluorescence that persists after the bombarding radiation has ceased | - |
| reauthorization | 27 | - | - |
| psychiatrically | 30 | - | - |
| comprehensively | 30 | in an all-inclusive manner | - |
| incomprehensive | 27 | not comprehensive | - |
| diphenhydramine | 30 | antihistamine (trade name Benadryl) used to treat allergic reactions involving the nasal passages (hay fever) and also to treat motion sickness | - |
| exhibitionistic | 29 | compulsively attracting attention to yourself especially by public exposure or exaggerated behavior | - |
| electrochemical | 26 | of or involving electrochemistry | - |
| atherosclerosis | 20 | a stage of arteriosclerosis involving fatty deposits (atheromas) inside the arterial walls, thus narrowing the arteries | - |
| unchallengingly | 25 | - | - |
| unauthentically | 23 | - | - |
| twentysomething | 27 | - | - |
| southwesterners | 21 | - | - |
| southeasterners | 18 | - | - |
| sclerotherapies | 22 | - | - |
| rehumanizations | 29 | - | - |
| searchabilities | 22 | - | - |
| radiculopathies | 23 | - | - |
| schizoaffective | 40 | - | - |
| retheorizations | 27 | - | - |
| superenciphered | 25 | - | - |
| schlockmeisters | 28 | - | - |
| unshapelinesses | 20 | - | - |
| unthreateningly | 22 | - | - |
| nonheterosexual | 25 | - | - |
| nonhistorically | 23 | - | - |
| nonhomosexually | 30 | - | - |
| nonhysterically | 26 | - | - |
| multicharacters | 24 | - | - |
| nonpsychoactive | 30 | not affecting the mind or mental processes | a nonpsychoactive pain reliever |
| overnourishment | 23 | - | - |
| nontheistically | 23 | - | - |
| northeasterners | 18 | - | - |
| northwesterners | 21 | - | - |
| phenethylamines | 28 | - | - |
| cytopathologist | 26 | - | - |
| biopsychologist | 28 | - | - |
| channelopathies | 25 | - | - |
| chemopreventive | 30 | - | - |
| ethnobiological | 23 | - | - |
| ethnobiologists | 21 | - | - |
| isothiocyanates | 23 | - | - |
| lissencephalies | 22 | - | - |
| glycohemoglobin | 29 | - | - |
| tribromoethanol | 22 | an intravenous anesthetic | - |
| tribromomethane | 24 | colorless liquid haloform CHBr3 | - |
| trichinisations | 20 | - | - |
| trichinizations | 29 | - | - |
| treacherousness | 20 | - | - |
| trichloroacetic | 24 | - | - |
| toothsomenesses | 20 | - | - |
| topochemistries | 24 | - | - |
| topographically | 28 | with regard to topography | the geological environment is the primary factor in determining the character of a country not only topographically but historically |
| touchablenesses | 22 | - | - |
| transhistorical | 20 | - | - |
| ultramarathoner | 20 | - | - |
| ultrasonography | 24 | using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs | - |
| unapprehensible | 24 | - | - |
| unashamednesses | 21 | - | - |
| trichloroethane | 23 | a heavy colorless highly toxic liquid used as a solvent to clean electronic components and for dry cleaning and as a fumigant; causes cancer and liver and lung damage | - |
| triphenylamines | 25 | - | - |
| trisoctahedrons | 21 | - | - |
| trinitrophenols | 20 | - | - |
| trichomonacidal | 25 | - | - |
| trichomonacides | 25 | - | - |
| trihalomethanes | 23 | - | - |
| triiodomethanes | 21 | - | - |
| trimethylamines | 25 | - | - |
| typographically | 31 | in a typographic way | - |
| truthlessnesses | 18 | - | - |
| troubleshooters | 20 | - | - |
| trueheartedness | 19 | - | - |
| tomboyishnesses | 25 | - | - |
| telephotography | 29 | photography using a telephoto lens | - |
| telautographies | 21 | - | - |
| telegraphically | 26 | in a short and concise manner | - |
| telephotographs | 26 | - | - |
| tenderheartedly | 23 | - | - |
| tectibranchiate | 24 | - | - |
| symphysiotomies | 30 | - | - |
| synchronoscopes | 27 | - | - |
| synchronousness | 23 | - | - |
| synecdochically | 31 | - | - |
| synthesisations | 21 | - | - |
| synchronologies | 24 | - | - |
| synarthrodially | 25 | - | - |
| synchronicities | 25 | - | - |
| synchronistical | 25 | - | - |
| synthesizations | 30 | - | - |
| synthetisations | 21 | - | - |
| synthetizations | 30 | - | - |
| teachablenesses | 22 | - | - |
| technicalnesses | 22 | - | - |
| tachometrically | 27 | - | - |
| tachyarrhythmia | 34 | - | - |
| tachymetrically | 30 | - | - |
| technostructure | 22 | - | - |
| thermoregulator | 21 | a regulator for automatically regulating temperature by starting or stopping the supply of heat | - |
| thermoremanence | 24 | - | - |
| thermostability | 25 | - | - |
| thermotherapies | 25 | - | - |
| thickheadedness | 29 | - | - |
| thimbleriggings | 25 | - | - |
| thinkablenesses | 24 | - | - |
| thiobarbiturate | 22 | - | - |
| thermoregulates | 21 | - | - |
| thermoregulated | 22 | - | - |
| thermobarometer | 24 | - | - |
| thermochemistry | 30 | the branch of chemistry that studies the relation between chemical action and the amount of heat absorbed or generated | - |
| thermochromisms | 29 | - | - |
| thermodynamical | 28 | of or concerned with thermodynamics | - |
| thermoelectrons | 22 | - | - |
| thermojunctions | 29 | - | - |
| thermoperiodism | 25 | - | - |
| thermoreceptors | 24 | - | - |
| thirtysomething | 27 | - | - |
| thoracocenteses | 22 | - | - |
| thoracocentesis | 22 | removal of fluid from the chest by centesis for diagnostic or therapeutic purposes | - |
| thunderstricken | 25 | - | - |
| thunderstriking | 24 | - | - |
| thyrocalcitonin | 25 | thyroid hormone that tends to lower the level of calcium in the blood plasma and inhibit resorption of bone | - |
| thyroidectomies | 26 | - | - |
| tightfistedness | 23 | extreme stinginess | - |
| thromboplastins | 24 | - | - |
| thromboembolism | 28 | occlusion of a blood vessel by an embolus that has broken away from a thrombus | - |
| thoracoplasties | 22 | - | - |
| thoroughgoingly | 27 | - | - |
| threefoldnesses | 22 | - | - |
| thremmatologies | 23 | - | - |
| thrillingnesses | 19 | - | - |
| thermalizations | 29 | - | - |
| tetrahydrofuran | 25 | - | - |
| tetramethyllead | 24 | - | - |
| thalamencephala | 27 | - | - |
| thalassocracies | 22 | - | - |
| thalassographer | 24 | - | - |
| thalassographic | 26 | - | - |
| tetrabranchiate | 22 | - | - |
| tetartohedrally | 22 | - | - |
| tetartohedrisms | 21 | - | - |
| thalassotherapy | 26 | - | - |
| thalattocracies | 22 | - | - |
| thanatognomonic | 23 | - | - |
| theorematically | 25 | - | - |
| theosophistical | 25 | - | - |
| therianthropism | 25 | - | - |
| theriomorphisms | 27 | - | - |
| theriomorphoses | 25 | - | - |
| theriomorphosis | 25 | - | - |
| thermaesthesias | 23 | - | - |
| theologizations | 28 | - | - |
| theologisations | 19 | - | - |
| thanatographies | 24 | - | - |
| thanklessnesses | 22 | - | - |
| thankworthiness | 28 | - | - |
| thaumatolatries | 20 | - | - |
| theatricalising | 21 | - | - |
| theatricalities | 20 | - | - |
| theatricalizing | 30 | - | - |
| theocentricisms | 24 | - | - |
| thermalisations | 20 | - | - |
| unteachableness | 22 | - | - |
| unthinkableness | 24 | - | - |
| unthriftinesses | 21 | - | - |
| untrustworthily | 24 | - | - |
| unwholesomeness | 23 | the quality of being unhealthful and generally bad for you | - |
| unrighteousness | 19 | failure to adhere to moral principles | forgave us our sins and cleansed us of all unrighteousness |
| unshakeableness | 24 | - | - |
| unsightlinesses | 19 | - | - |
| unseaworthiness | 21 | - | - |
| unselfishnesses | 21 | - | - |
| wappenschawings | 31 | - | - |
| warmheartedness | 24 | a warmhearted feeling | - |
| whippersnappers | 29 | - | - |
| wholesomenesses | 23 | - | - |
| whoremistresses | 23 | - | - |
| withdrawnnesses | 25 | - | - |
| whimsicalnesses | 25 | - | - |
| weatherboarding | 25 | a long thin board with one edge thicker than the other; used as siding by lapping one board over the board below | - |
| weatherisations | 21 | - | - |
| weatherizations | 30 | - | - |
| weatherlinesses | 21 | - | - |
| weatherproofing | 27 | - | - |
| weltanschauungs | 24 | - | - |
| worthlessnesses | 21 | - | - |
| vapourishnesses | 23 | - | - |
| videotelephones | 24 | - | - |
| uncopyrightable | 28 | - | - |
| underemphasised | 24 | - | - |
| undernourishing | 20 | - | - |
| underemphasises | 23 | - | - |
| underemphasized | 33 | - | - |
| underemphasizes | 32 | - | - |
| uncomprehensive | 27 | - | - |
| unauthenticated | 21 | - | - |
| unchallengeably | 26 | - | - |
| unauthoritative | 21 | - | - |
| unchangeability | 26 | the quality of being unchangeable; having a marked tendency to remain unchanged | - |
| unchoreographed | 27 | - | - |
| unchristianised | 21 | - | - |
| unchristianises | 20 | - | - |
| unchristianized | 30 | - | - |
| unchristianizes | 29 | - | - |
| unchristianlike | 24 | - | - |
| unchronological | 23 | - | - |
| uninhibitedness | 21 | - | - |
| unphilosophical | 27 | - | - |
| unearthlinesses | 18 | - | - |
| unhealthfulness | 24 | the quality of promoting poor health | - |
| unhealthinesses | 21 | - | - |
| unhurtfulnesses | 21 | - | - |
| yellowishnesses | 24 | - | - |
| xylotypographic | 38 | - | - |
| xeroradiography | 32 | radiography using X-rays and xerographic (rather than roentgenographic) techniques | - |
| xerographically | 33 | - | - |
| xenomorphically | 34 | - | - |
| zinjanthropuses | 36 | - | - |
| zygophyllaceous | 38 | - | - |
| zygobranchiates | 35 | - | - |
| zoopsychologies | 35 | - | - |
| zoophytologists | 33 | - | - |
| zoophytological | 35 | - | - |
| zoophysiologist | 33 | - | - |
| zoophysiologies | 33 | - | - |
| zoogeographical | 33 | - | - |
| wrongheadedness | 24 | - | - |
| schoolmastering | 23 | - | - |
| schoolmistressy | 25 | - | - |
| schoolteachings | 26 | - | - |
| scholarlinesses | 20 | - | - |
| schizophrenetic | 36 | - | - |
| scathefulnesses | 23 | - | - |
| schematisations | 22 | - | - |
| schematizations | 31 | - | - |
| schillerisation | 20 | - | - |
| schillerization | 29 | - | - |
| schistosomiases | 22 | - | - |
| schistosomiasis | 22 | an infestation with or a resulting infection caused by a parasite of the genus Schistosoma; common in the tropics and Far East; symptoms depend on the part of the body infected | - |
| seaworthinesses | 21 | - | - |
| searchingnesses | 21 | - | - |
| scorchingnesses | 23 | - | - |
| scratchbuilders | 25 | - | - |
| scratchbuilding | 26 | - | - |
| scrimshandering | 24 | - | - |
| scaphocephalous | 29 | - | - |
| roundheadedness | 21 | - | - |
| saccharomycetes | 29 | - | - |
| saccharizations | 31 | - | - |
| saccharisations | 22 | - | - |
| saccharimetries | 24 | - | - |
| saprophytically | 30 | - | - |
| sarcenchymatous | 27 | - | - |
| scaphocephalies | 29 | - | - |
| scaphocephalism | 31 | - | - |
| servomechanical | 27 | of or involving servomechanisms | - |
| servomechanisms | 27 | - | - |
| sesquisulphides | 30 | - | - |
| shamefastnesses | 23 | - | - |
| shamelessnesses | 20 | - | - |
| sightlessnesses | 19 | - | - |
| silversmithings | 24 | - | - |
| showerproofings | 27 | - | - |
| shapelessnesses | 20 | - | - |
| sherardisations | 19 | - | - |
| sherardizations | 28 | - | - |
| shiftlessnesses | 21 | - | - |
| shillingsworths | 25 | - | - |
| shillyshalliers | 24 | - | - |
| shillyshallying | 28 | - | - |
| shockumentaries | 26 | - | - |
| selenographists | 21 | - | - |
| selenographical | 23 | - | - |
| seismographical | 25 | - | - |
| semilogarithmic | 25 | - | - |
| semipornography | 28 | - | - |
| reproachfulness | 25 | - | - |
| restrengthening | 20 | - | - |
| relinquishments | 29 | - | - |
| rephotographing | 27 | - | - |
| remythologising | 25 | - | - |
| remythologizing | 34 | - | - |
| reorchestrating | 21 | - | - |
| reorchestration | 20 | - | - |
| rhombporphyries | 32 | - | - |
| rhyparographers | 29 | - | - |
| rhyparographies | 29 | - | - |
| rightablenesses | 21 | - | - |
| righteousnesses | 19 | - | - |
| rhombenporphyry | 35 | - | - |
| rhombenporphyrs | 32 | - | - |
| rheumatological | 23 | - | - |
| rheumatologists | 21 | - | - |
| rhinencephalons | 25 | - | - |
| rhinoscleromata | 22 | - | - |
| rhombencephalon | 29 | the posterior portion of the brain including cerebellum and brainstem | - |
| riverworthiness | 24 | - | - |
| rontgenotherapy | 24 | - | - |
| roentgenographs | 22 | - | - |
| roentgenography | 25 | radiography that uses X-rays to produce a roentgenogram | - |
| resynchronising | 24 | - | - |
| resynchronizing | 33 | - | - |
| sulphurizations | 29 | - | - |
| sulphurisations | 20 | - | - |
| sulphureousness | 20 | - | - |
| sulfamethazines | 32 | - | - |
| sulphacetamides | 25 | - | - |
| sulphanilamides | 23 | - | - |
| sulphathiazoles | 32 | - | - |
| sulphinpyrazone | 34 | - | - |
| sulphonmethanes | 25 | - | - |
| supercargoships | 25 | - | - |
| supervisorships | 25 | - | - |
| symbolographies | 28 | - | - |
| symmetrophobias | 29 | - | - |
| sympathectomies | 29 | - | - |
| sympathomimetic | 31 | relating to epinephrine (its release or action) | - |
| swellheadedness | 23 | - | - |
| sycophantically | 30 | - | - |
| syllabographies | 26 | - | - |
| symphyseotomies | 30 | - | - |
| superheterodyne | 24 | - | - |
| superhumanising | 23 | - | - |
| superhumanities | 22 | - | - |
| superhumanizing | 32 | - | - |
| superphenomenon | 24 | - | - |
| superphosphates | 27 | - | - |
| sphaerocrystals | 25 | - | - |
| sphaerosiderite | 21 | - | - |
| sphericalnesses | 22 | - | - |
| spheroidicities | 23 | - | - |
| spheroidisation | 21 | - | - |
| spheroidization | 30 | - | - |
| sphygmographies | 32 | - | - |
| spermatorrhoeas | 22 | - | - |
| speechfulnesses | 25 | - | - |
| speechification | 27 | - | - |
| speleotherapies | 22 | - | - |
| spinthariscopes | 24 | - | - |
| sprightlinesses | 21 | - | - |
| squeamishnesses | 29 | - | - |
| stadholderships | 25 | - | - |
| stadtholderates | 20 | - | - |
| stadtholdership | 25 | - | - |
| spirochaetaemia | 24 | - | - |
| splanchnologies | 23 | - | - |
| sporangiophores | 23 | - | - |
| spectrographies | 25 | - | - |
| sociohistorical | 22 | - | - |
| sketchabilities | 26 | - | - |
| slaughterhouses | 22 | - | - |
| sledgehammering | 25 | - | - |
| softheartedness | 22 | a feeling of concern for the welfare of someone (especially someone defenseless) | - |
| sophistications | 22 | - | - |
| southeasterlies | 18 | - | - |
| southerlinesses | 18 | - | - |
| southwesterlies | 21 | - | - |
| southwestwardly | 28 | in a southwestward direction | - |
| sophisticatedly | 26 | - | - |
| soothfastnesses | 21 | - | - |
| streptothricins | 22 | - | - |
| stratigraphical | 23 | - | - |
| stratigraphists | 21 | - | - |
| stratospherical | 22 | - | - |
| strephosymbolia | 27 | - | - |
| steganographist | 22 | - | - |
| stegocephalians | 23 | - | - |
| stereochemistry | 25 | - | - |
| stereographical | 23 | - | - |
| steganographies | 22 | - | - |
| steganographers | 22 | - | - |
| standoffishness | 25 | a disposition to be distant and unsympathetic in manner | - |
| staphyloplastic | 27 | - | - |
| staphylorrhaphy | 34 | - | - |
| steeplechasings | 23 | - | - |
| stoichiological | 23 | - | - |
| stoichiometries | 22 | - | - |
| straightjackets | 32 | - | - |
| stoicheiometric | 24 | - | - |
| stoicheiologies | 21 | - | - |
| stigmatophilias | 23 | - | - |
| stigmatophilist | 23 | - | - |
| stoechiological | 23 | - | - |
| stoechiometries | 22 | - | - |
| posthemorrhagic | 28 | - | - |
| postmasterships | 24 | - | - |
| polychlorinated | 26 | - | - |
| polychloroprene | 27 | - | - |
| polychromatisms | 29 | - | - |
| poikilothermies | 26 | - | - |
| poikilothermism | 28 | - | - |
| polygraphically | 31 | - | - |
| porphyrogenites | 26 | - | - |
| polysynthetisms | 28 | - | - |
| polymorphically | 32 | - | - |
| polyphloesboean | 27 | - | - |
| polysaccharides | 28 | - | - |
| polysaccharoses | 27 | - | - |
| polysynthesisms | 28 | - | - |
| polysynthetical | 28 | - | - |
| procuratorships | 24 | - | - |
| probationership | 24 | - | - |
| prehistorically | 25 | - | - |
| preestablishing | 23 | - | - |
| photochemically | 32 | - | - |
| photoelectrodes | 23 | - | - |
| photoelectronic | 24 | - | - |
| photoengravings | 25 | - | - |
| photoexcitation | 29 | - | - |
| photofinishings | 27 | - | - |
| photofluorogram | 26 | - | - |
| photogeological | 24 | - | - |
| photogeologists | 22 | - | - |
| photoelectrical | 24 | of or pertaining to photoelectricity | - |
| photoelasticity | 25 | - | - |
| photoconducting | 26 | - | - |
| photoconduction | 25 | change in the electrical conductivity of a substance as a result of absorbing electromagnetic radiation | - |
| photoconductive | 28 | of or relating to photoconductivity | selenium is a photoconductive substance |
| photoconductors | 25 | - | - |
| photodegradable | 25 | - | - |
| photodissociate | 23 | - | - |
| photoduplicated | 26 | - | - |
| photoduplicates | 25 | - | - |
| photogrammetric | 27 | - | - |
| photoinductions | 23 | - | - |
| photoionisation | 20 | - | - |
| photomultiplier | 24 | - | - |
| photooxidations | 28 | - | - |
| photoperiodisms | 25 | - | - |
| photoproduction | 25 | - | - |
| photoreceptions | 24 | - | - |
| photoreductions | 23 | - | - |
| photorefractive | 28 | - | - |
| photosensitised | 21 | - | - |
| photometrically | 27 | by photometric means | photometrically measured |
| photoionization | 29 | - | - |
| photoluminesced | 25 | - | - |
| photoluminesces | 24 | - | - |
| photomechanical | 29 | of or relating to or involving various methods of using photography to make plates for printing | - |
| photosensitiser | 20 | - | - |
| photobiologists | 23 | - | - |
| pharyngoscopies | 28 | - | - |
| phenylketonuria | 27 | a genetic disorder of metabolism; lack of the enzyme needed to turn phenylalanine into tyrosine results in an accumulation of phenylalanine in the body fluids which causes various degrees of mental deficiency | - |
| phenylketonuric | 29 | - | - |
| phenylthioureas | 26 | - | - |
| philanthropical | 27 | - | - |
| philanthropists | 25 | - | - |
| philanthropoids | 26 | - | - |