phototropism noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of phototropism noun from the Oxford Advanced American Dictionary

phototropism

noun

NAmE//ˌfoʊt̮əˈtroʊpɪzəm//

, NAmE//foʊˈtɑtrəˌpɪzəm//

[uncountable] (biology)

the action of a plant turning toward or away from light

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phototropic

NAmE//ˌfoʊt̮əˈtroʊpɪk//

, NAmE//ˌfoʊt̮əˈtrɑpɪk//

adjectiveSee phototropism in the Oxford Advanced Learner's Dictionary

Check pronunciation: phototropism