Definitions
There is 1 meaning of the phrase
Vitamin A.
Vitamin A - as a noun
Any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes
Synonyms (Exact Relations)
aantiophthalmic factoraxerophtholHypernyms (Closely Related)
fat-soluble vitaminHyponyms (Broadly Related)