Chem. [a. Fr. ambréine, f. ambre amber: see -IN.] A crystalline fatty substance forming the main constituent of ambergris.
1832. Rep. Brit. Assoc. (1835), 528. Ambreic [Acid. Discovered by] Pelletier and Caventou. By treating ambreine with nitric acid.
1863. Watts, Dict. Chem., I. 165. Ambrein is perhaps impure cholesterin.
