ste aroptene

[Pref. stearo-, and Gr.ptēnos =feathered; hence, fleeting, volatile.] Chem.: Any of the more solid constituents of e ential oils, which crystallize out in the cold. ste-ar-ox-l-Ic, adject . [Pref. stear- : English ox ( at ) yl , and suff. ic . Derived from or containing stearic acid and oxatyl. stearoxylic-acid, s . Chem.: C18H32O4=C17H3102°CO OH. Obtained by the action of nitric acid on stearolic acid. It crystallizes in brilliant plates, insoluble in water, soluble in boiling alcohol, and melts at 86°.