Relating to, having the nature of, or designed to cause expulsion or the removal of someone or something.
From Latin 'expulsorius', formed from 'expulsus' plus the adjective suffix '-ory', similar in meaning to '-ative' and '-atory'.
Like 'expulsatory,' this adjective appears mainly in older scientific and medical texts—both '-ory' and '-atory' versions coexisted, but neither became mainstream, leaving modern English speakers to rely on 'expelling' or 'expulsive' instead.
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