Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The movement or growth of an organism in a particular direction in response to contact with a solid object.

from The Century Dictionary.

  • noun In biology, the movement or growth of an organism in relation to contact with a foreign body; stereotropism. See thigmotaxis.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun biology Growth or motion in response to touch.

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Greek thigma, touch; see thigmotaxis + –tropism.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

thigmo- +‎ tropism

Examples

  • What are the advantages of thigmotropism to climbing plants? if a tree falls in a forest, and no one is near it, does it make a sound?

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Comments

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  • 1. An orientation response to touch or a contact stimulus.

    2. The orientation of an organism in response to a mechanical displacement.

    3. Growth curvature in response to a contact stimulus found in clinging plant organs.

    4. A tendency of an organism or part of an organism to bend or to turn in response to a touch stimulus; such as, a vine coiling around a string support.

    December 3, 2007