noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Constituent of vitamin D₁ and vitamin D₂. countable, uncountable
2. 2
   a fat-soluble vitamin that prevents rickets wordnet

Synonyms

All synonyms

ascorbic acidcalciferolcholecalciferoldniacinriboflavin

Etymology

From ergo- + calciferol. The calciferous ergosterol.

Related phrases

vitamin d1vitamin d2

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.