heliotropism
English
[edit]
Etymology
[edit]Noun
[edit]heliotropism (countable and uncountable, plural heliotropisms)
- The property of some plants of turning under the influence of light; either positively (towards the light) or negatively (away from the light)
- 1880 November 6, Charles Darwin, Francis Darwin, chapter XII, in The Power of Movement in Plants[1], page 555:
- 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; […]
- 2012, Staff (University of Wisconsin-Madison), Sunflowers inspire more efficient solar power system, R&D Magazine, online:
- 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.
Derived terms
[edit]Related terms
[edit]Translations
[edit]the property of some plants of turning under the influence of light
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Romanian
[edit]Etymology
[edit]Borrowed from French héliotropisme.
Noun
[edit]heliotropism n (uncountable)
Declension
[edit]| singular only | indefinite | definite |
|---|---|---|
| nominative-accusative | heliotropism | heliotropismul |
| genitive-dative | heliotropism | heliotropismului |
| vocative | heliotropismule | |
Categories:
- English terms prefixed with helio-
- English terms suffixed with -tropism
- English lemmas
- English nouns
- English uncountable nouns
- English countable nouns
- English terms with quotations
- Romanian terms borrowed from French
- Romanian terms derived from French
- Romanian lemmas
- Romanian nouns
- Romanian uncountable nouns
- Romanian neuter nouns