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 specificallyvitamin 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
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