Webster's Revised Unabridged Dictionary · 1913

Sebacic

Sebacic , adjective

[Latin sebum tallow: compare French sébacique.]

(Chemistry) 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.