/ ˈestə(r); NAmE / noun
( chemistry ) a sweet-smelling substance that is formed from an organic acid and an alcohol
••
WORD ORIGIN
mid 19th cent.: from German , probably from a blend of Essig vinegar and Äther ether.
/ ˈestə(r); NAmE / noun
( chemistry ) a sweet-smelling substance that is formed from an organic acid and an alcohol
••
WORD ORIGIN
mid 19th cent.: from German , probably from a blend of Essig vinegar and Äther ether.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005