Definitions

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

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