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
A sterol, 7-dehydrocholesterol, found in the skin, that, on exposure to light, is converted into vitamin D
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: chemistry, natural-sciences, organic-chemistry, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
Etymology tree Proto-Indo-European *de Proto-Indo-European *-h1 Proto-Indo-European *déh1 Proto-Italic *dē Latin dē Latin dē-der. English de- Ancient Greek ῠ̔δρο- (hŭdro-)der. English hydro- English dehydro- English cholesterol English dehydrocholesterol From dehydro- + cholesterol.
