Cetylic \Ce*tyl"ic\, a. (Chem.) Of, pertaining to, or derived from, spermaceti. [1913 Webster] {Cetylic alcohol} (Chem.), a white, waxy, crystalline solid, obtained from spermaceti, and regarded as homologous with ordinary, or ethyl, alcohol; ethal; -- called also {cetyl alcohol}. [1913 Webster]
ethal \eth"al\, n. [Ether + alcohol: cf. F. ['e]thal.] (Chem.) A white waxy solid, {C16H33.OH}; -- called also {cetyl alcohol} and {cetylic alcohol}. See {Cetylic alcohol}, under {Cetylic}. [1913 Webster]