■ noun Chemistry any of a class of fatty acids or their derivatives that are insoluble in water and include many natural oils, waxes, and steroids.
Origin
early 20th cent.: from Fr. ~e , based on Gk lipos 'fat'.
■ noun Chemistry any of a class of fatty acids or their derivatives that are insoluble in water and include many natural oils, waxes, and steroids.
Origin
early 20th cent.: from Fr. ~e , based on Gk lipos 'fat'.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004