opiate

n (fml 文) drug containing opium, used to relieve pain or to help sb sleep 鸦片制剂; 麻醉剂: become addicted to opiates 对鸦片制剂上瘾 * (fig derog 比喻, 贬) the opiate of all-day television 终日对电视的沉迷.

opera-glasses, opera-house, operable, operate, operatic, operatically, operating system, operating-table, operating-theatre, operation, operational, operations room, operative, operator, operetta, ophthalmic, ophthalmic optician, ophthalmologist, ophthalmology, ophthalmoscope, opine, opinion, opinion poll, opinionated, opium, opossum, opp, opponent, opportune, opportunely, opportunism, opportunist, opportunistic, opportunity, oppose, opposed, opposite, opposition, oppress, oppress-ively,