calmativen.
英 'kɑːmətɪv; 'kæl- | 美
中文n. [药] 镇静剂\nadj. 使镇静的；镇静的
[药] 镇静剂
adj. 使镇静的；镇静的
词根词源
calmative (adj.)by 1831, from French calmatif; see calm (adj.) + -ative. A hybrid word; purists prefer sedative. "The Latinic suffix is here defensible on the ground of It. and Sp. calmar, F. calmer ...." [OED].
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