Definition of heliotropism in English:

heliotropism

Line breaks: helio|trop¦ism
Pronunciation: /ˌhiːlɪə(ʊ)ˈtrəʊpɪz(ə)m
 
/

noun

[mass noun] Botany
  • 1The directional growth of a plant in response to sunlight. Compare with phototropism.
    More example sentences
    • The adaptive significance of solar tracking in snow buttercups is mediated through the impact of flower heliotropism on paternal and maternal floral environments.
    • The heliotropism itself is an adaptation for survival, the plant maximizing sunlight.
    • All legume plants do this, so be sure to watch your peas and beans for signs of heliotropism.
  • 1.1 Zoology The tendency of an animal to move towards light.

Derivatives

heliotropic

Pronunciation: /ˌhiːlɪəˈtrɒpɪk/
adjective
More example sentences
  • Using a similar idea in the moral realm, Augustine says that we naturally seek the good and try to turn towards it, as a heliotropic flower seeks the sun.
  • Like a heliotropic plant, she turned towards warmth and light, which unfortunately were the blinding flashes of cameras.
  • For fourteen years, off and on, I have spent the spring on the south coast of Cornwall, in the heliotropic village of St Mawes.

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