from the GNU version of the Collaborative International Dictionary of English
- n. dehydroretinol (C20H28O), one of the substances also called vitamin A. It has about 40% of the bioactivity of vitamin A1.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a viscous alcohol that is less active in mammals than is vitamin A1
Sorry, no etymologies found.