phototropism definition

  • noun:
    • development or motion of a sessile organism toward or from a source of light.
    • the action of a plant towards or from light
    • The tendency of growing plant organs to maneuver or curve under the influence of light. In ordinary use the term is almost similar to heliotropism.
    • exhibiting movement in a direction toward (positive phototropism) or away from (negative phototropism) a source of light.
    • The growth and/or bending of organisms or of areas of organisms with regards to light; heliotropism.
    • Same as phototaxis, 2.
    • Same as phototropy, 2.
    • an orienting response to light

Related Sources

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  • Hyponym for "phototropism"
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