D defs.my
Entry 1 sense Webster, 1913

ricinoleic acid

· ric·in·o·le·ic ac·id · IPA /ˌɹaɪ.sɪ.noʊˌli.ɪk ˈæs.ɪd/
01 n. An organic acid (C18H34O3) obtained from the castor-oil plant (Ricinus communis, or Palma Christi) and other species of the family Euphorbi…
  1. 1.
    An organic acid (C18H34O3) obtained from the castor-oil plant (Ricinus communis, or Palma Christi) and other species of the family Euphorbiaceae; chemicaly it is d-12-hydroxyoleic acid (CH3(CH2)5.CH(OH).CH2.CH=CH.(CH2)7COOH). Formerly called palmic acid.(Chem.) Also: palmic acid