Tropism

noun
'troʊpɪzəm

Noun

  • an involuntary orienting response; positive or negative reaction to a stimulus source

    Type of:ReactionResponse

Dictionary Validity

Tournament Word List (TWL)
Scrabble US
Collins Scrabble Words (CSW21)
Scrabble UK
ENABLE Dictionary
Words With Friends
Combined US/UK Scrabble Dictionary
SOWPODS
North American Scrabble (NWL2020)
NASPA