emulsion

n [C, U] 1 creamy liquid in which particles of oil or fat are evenly distributed 乳状液. 2 medicine or paint in this form 乳剂; 乳漆: [attrib 作定语] emulsion paint, ie paint that has a matt rather than a glossy finish when dry 乳状漆（乾後无光泽的漆）. 3 light-sensitive substance on the surface of photographic film 感光乳剂.

employ oneself in, employable, employee, employer, employment, employment agency, emporium, empower, empress, empties, emptiness, empty, empty into, empty of, empty-handed, empty-headed, emu, emulate, emulation, emulsify, en bloc, en famille, en masse, en passant, en route, en suite, en- (also em-), enable, enable sb. to do sth., enable...to, enact, enactment, enamel, enamor, enamoured (US enamored), encamp, encampment, encapsulate, encase, encephalitis,