Se*bac"ic (?), a. [L. sebum tallow: cf. F. s'ebacique.] Chem.
Of or pertaining to fat; derived from, or resembling, fat; specifically, designating an acid (formerly called also sebic, and pyroleic, acid), obtained by the distillation or saponification of certain oils (as castor oil) as a white crystalline substance.
© Webster 1913.