Definitions

from the GNU version of the Collaborative International Dictionary of English.

  • noun retinol (C20H30O), one of the substances also called vitamin A. It is also called more specifically vitamin A alcohol. It is a required factor for human nutrition. The USP unit of activity is equal to 0.30 micrograms of retinol.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun an unsaturated alcohol that occurs in marine fish-liver oils and is synthesized biologically from carotene

Etymologies

Sorry, no etymologies found.

Support

Help support Wordnik (and make this page ad-free) by adopting the word vitamin a1.

Examples

    Sorry, no example sentences found.

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.