出典:Wiktionary
出典:『Wiktionary』 (2026/02/07 00:37 UTC 版)
Inherited from 中期英語 sedatif, from Anglo-Norman sedatif, from Medieval Latin sēdātīvus, which itself likely influenced the modern spelling.
sedative (comparative more sedative, superlative most sedative)
出典:Wikipedia
出典:『Wikipedia』 (2011/06/23 02:43 UTC 版)
A sedative or tranquilizer (or tranquilliser, see American and British English spelling differences) is a substance that induces sedation by reducing irritability or excitement.
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