[1] : The Collaborative International Dictionary of English v.0.48

retinol \ret"inol\, n. gr. ??? resin + l. oleum oil.
   1. chem. a hydrocarbon oil c32h16, obtained by the
      distillation of resin, -- used as a solvent, as an
      antiseptic, and in printer's ink.
      1913 webster +pjc

   2. one of the compounds which function as vitamin a. called
      also vitamin a, vitamin a1 and vitamin a alcohol.
      see vitamin a1.
      pjc
see also:
c32h16 vitamin a vitamin a1 vitamin a alcohol 

[2] : The Collaborative International Dictionary of English v.0.48

vitamin a1 \vitamin a1\ n.
   retinol c20h30o, one of the substances also called
   vitamin a. it is also called more specifically vitamin a
   alcohol. it is a required factor for human nutrition. the
   usp unit of activity is equal to 0.30 micrograms of retinol.

   syn: retinol.
        wordnet 1.5 +pjc
see also:
c20h30o vitamin a vitamin a alcohol 

[3] : WordNet (r) 2.0

vitamin a1
     n : an unsaturated alcohol that occurs in marine fish-liver oils
         and is synthesized biologically from carotene syn: retinol
see also:
retinol 

A1 >> A Words
A1, definition of term: A1
a1_pag1.html

Vitamin >> V Words
Vitamin, definition of term: Vitamin
vitamin_pag1.html

Vitamin D >> V Words
Vitamin D, definition of term: Vitamin D
vitamin+d_pag1.html

Vitamin E >> V Words
Vitamin E, definition of term: Vitamin E
vitamin+e_pag1.html

Vitamin K >> V Words
Vitamin K, definition of term: Vitamin K
vitamin+k_pag1.html

Vitamin M >> V Words
Vitamin M, definition of term: Vitamin M
vitamin+m_pag1.html

Vitamin C >> V Words
Vitamin C, definition of term: Vitamin C
vitamin+c_pag1.html

Vitamin H >> V Words
Vitamin H, definition of term: Vitamin H
vitamin+h_pag1.html

Vitamin B2 >> V Words
Vitamin B2, definition of term: Vitamin B2
vitamin+b2_pag1.html

Vitamin B >> V Words
Vitamin B, definition of term: Vitamin B
vitamin+b_pag1.html

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