GNU Collaborative International Dictionary of English

last match results

Found one definition

1.       
   vitamin A2 n.  dehydroretinol (C20H28O), one of the substances also called vitamin A.  It has about 40% of the bioactivity of vitamin A1.
   
   Syn. -- dehydroretinol.
   
   [WordNet 1.5 +PJC]