retinol
Ret"i*nol, n. Etym: [Gr. oleum oil.] (Chem.) Defn: A hydrocarbon oil obtained by the distillation of resin, -- used in printer's ink.
Ret"i*nol, n. Etym: [Gr. oleum oil.] (Chem.) Defn: A hydrocarbon oil obtained by the distillation of resin, -- used in printer's ink.