乳剂

乳剂	rǔ jì	emulsion
乳	rǔ	(bound form) breast / (bound form) milk / (bound form) newborn; suckling
剂	jì	(bound form) a compound made by mixing ingredients (esp. a medicinal or chemical product) / (bound form) small piece of dough cut from a rolled log, used for making mantou (steamed buns) or dumplings / classifier for a dose of medicine