Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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noun
The property of some plants of turning under the influence of light; either positively (towards the light) or negatively (away from the light).
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: biology, botany, natural-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
an orienting response to the sun
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
Broader terms: tropism
History
Etymology tree Proto-Indo-European *sóh2wl̥ Proto-Indo-European *sh2wél(i)yos Proto-Hellenic *hāwélios Ancient Greek ἥλῐος (hḗlĭos) English helio- English -tropism English heliotropism From helio- + -tropism.
Across languages
7 source translations are retained for this English entry.
