Pho*tot"o*nus (?), n. [NL. See Photo- , and Tone.] (Bot.)

A motile condition in plants resulting from exposure to light. -- Pho`to*ton"ic (#), a.

 

© Webster 1913


Pho*tot"o*nus (?), n. (Physiol.)

An irritable condition of protoplasm, resulting in movement, due to a certain intensity of light. -- Pho`to*ton"ic (#), a.

 

© Webster 1913

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