名詞 opiate:

1. a narcotic drug that contains opium or an opium derivative

o.pi.ate

n.（名詞）
Any of various sedative narcotics containing opium or one or more of its natural or synthetic derivatives.
鴉片制劑：一種含有鎮(zhèn)靜性的麻醉劑，含有鴉片或一種或多種自然或人工合成的衍生物
A drug, hormone, or other chemical substance having sedative or narcotic effects similar to those containing opium or its derivatives:
麻醉劑，安眠藥：一種有鎮(zhèn)靜或麻醉效果的藥物、荷爾蒙或其他化學(xué)物質(zhì)，與含鴉片或鴉片衍生物的物質(zhì)相似：
例句：
a natural brain opiate.Also called opioid
天然鎮(zhèn)腦劑也作 opioid

Something that dulls the senses and induces relaxation or torpor.
毒品：使感覺遲鈍或引起放松或麻痹的物質(zhì)
adj.（形容詞）

Containing opium or any of its derivatives.
含鴉片或其衍生物的
Resembling opium or its derivatives in activity.
起鴉片或其衍生物作用的
Inducing sleep or sedation; soporific.
安神的，麻醉的，鎮(zhèn)靜的
Causing dullness or apathy; deadening.
引起遲鈍或冷淡的
v.tr.（及物動詞）
o.pi.at.ed,o.pi.at.ing,o.pi.ates[-3t.]
To subject to the action of an opiate.
起鎮(zhèn)靜劑作用的
To dull or deaden as if with a narcotic drug.
象毒品一樣引起遲鈍或麻木的

來源：
Middle English
中古英語
from Medieval Latin opi3tum
源自 中世紀拉丁語 opi3tum
from Latin opium [opium] * see opium
源自 拉丁語 opium [鴉片] *參見 opium