c20h28o

2 definitions found

c20h28o - Collaborative International Dictionary of English v.0.48 :

  Retinal \Ret"i*nal\, n. (Chem.)
     A retinoid compound (C20H28O), closely related to vitamin
     A, which is a component of the visual pigments in the eye. It
     is also called retinaldehyde and vitamin A aldehyde.
     [PJC]

  vitamin A2 \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]