from the GNU version of the Collaborative International Dictionary of English
- n. 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.
- n. an unsaturated alcohol that occurs in marine fish-liver oils and is synthesized biologically from carotene
Sorry, no etymologies found.
Sorry, no example sentences found.