allassotonic

adjective

al·​las·​so·​ton·​ic

ə¦lasə¦tänik

of the movements of mature plant organs

: temporarily induced by stimulus

—opposed to auxotonic compare irritomotility

Word History

Etymology

International Scientific Vocabulary allass-(from Greek allassein to change) + -o- + tonic

First Known Use

1886, in the meaning defined above

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