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.
Sound
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
noun
One of the constituents of vitamin B complex, found in meat, yeast and bran, that is necessary for the metabolism of carbohydrates.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable, usually
Topics: biochemistry, biology, chemistry, microbiology, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
a B vitamin that prevents beriberi; maintains appetite and growth
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: vitamin B1, thiamin, aneurin, antiberiberi factor
Antonyms: none provided
Broader terms: B-complex vitamin, B complex, vitamin B complex, vitamin B, B vitamin, B
History
Etymology tree Proto-Indo-European *dhewh2-der.? Ancient Greek θέειον (théeion) Ancient Greek θεῖον (theîon)der. English thio- Egyptian jmnbor. Ancient Greek Ᾰ̓́μμων (Ắmmōn)bor. Latin Ammōn Latin ammoniacusder. English ammonia Proto-Indo-European *-nós Proto-Indo-European *-iHnos Proto-Italic *-īnos Latin -īnusder. Old French -inbor. Middle English -in English -ine English amine English thiamine From thio- + amine.
Across languages
16 source translations are retained for this English entry.
