Phrase guide

B vitamin

noun · 2 senses · updated from the 2026-07-25 local source snapshot

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

Pronunciation

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.

No pronunciation record was provided for this word.

1

noun

Meaning 1

Any of a class of water-soluble vitamins that play important roles in cell metabolism and synthesis of red blood cells.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

originally thought to be a single vitamin but now separated into several B vitamins

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: B-complex vitamin, B complex, vitamin B complex, vitamin B, B

Antonyms: none provided

Broader terms: water-soluble vitamin

Narrower terms: choline, inositol, pantothenic acid, pantothen, vitamin B1, thiamine, thiamin, aneurin, antiberiberi factor, vitamin B12, cobalamin, cyanocobalamin, antipernicious anemia factor, vitamin B2, vitamin G, riboflavin, lactoflavin, ovoflavin, hepatoflavin, vitamin B6, pyridoxine, pyridoxal, pyridoxamine, adermin, vitamin Bc, vitamin M, folate, folic acid, folacin, pteroylglutamic acid, pteroylmonoglutamic acid, niacin, nicotinic acid, biotin, vitamin H

History

Etymology

No etymology was provided for this word.