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Webster's New World College Dictionary » expectorant
expectorant
expectorant definition
ex·pec·to·rant (ek spek′tə rənt, ik-)
adjective
causing or easing the bringing up of phlegm, mucus, etc. from the respiratory tract
Etymology: L expectorans, prp. of expectorare: see expectorate
noun
an expectorant medicine
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