Word.ws English Dictionary

heliotropism

heliotropism noun: the property of some plants of turning under the influence of light; either positively (towards the light) or negatively (away from the light).

Noun

heliotropism (countable and uncountable, plural heliotropisms)

  1. The property of some plants of turning under the influence of light; either positively (towards the light) or negatively (away from the light).
    • As soon as the faintest ray of light reaches a seedling, heliotropism will guide it through any crack in the soil, or through an entangled mass of overlying vegetation; […]1880 November 6, Charles Darwin, Francis Darwin, chapter XII, in The Power of Movement in Plants, page 555
    • A field of young sunflowers will slowly rotate from east to west during the course of a sunny day, each leaf seeking out as much sunlight as possible as the sun moves across the sky through an adaptation called heliotropism.2012, Staff (University of Wisconsin-Madison), Sunflowers inspire more efficient solar power system, R&D Magazine, online

heliotropism meaning in Tamil

heliotropism in Tamil

ஒழிதூண்டுதிருப்பம்

Forms of heliotropism

pluralheliotropisms

Origin of heliotropism

From helio- + -tropism.

Words formed from heliotropism

Questions about heliotropism

What does heliotropism mean?
Heliotropism means the property of some plants of turning under the influence of light; either positively (towards the light) or negatively (away from the light).
What is heliotropism in Tamil?
Heliotropism in Tamil is ஒழிதூண்டுதிருப்பம். See Heliotropism meaning in Tamil.
What part of speech is heliotropism?
Heliotropism is a noun.
What is the plural of heliotropism?
The plural of heliotropism is heliotropisms.

Words near heliotropism in the dictionary

  1. heliotropic
  2. heliotropical
  3. heliotropically
  4. heliotropicity
  5. heliotropin
  6. heliotropism
  7. heliotropisms
  8. heliotropy
  9. heliotropyl
  10. heliotype
  11. heliotyped

Source and license

Adapted from Wiktionary: heliotropism (page history and authors); heliotropism (Tamil Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “heliotropism.” Word.ws, https://word.ws/heliotropism. Based on Wiktionary, CC BY-SA 4.0.