Medical Dictionary

orrisroot

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noun or·ris·root \ˈȯr-əs-ˌrüt, ˈär-əs-, -ˌru̇t\

Medical Definition of orrisroot

  1. :  the fragrant rootstock of any of three European irises (Iris pallida, I. florentina, and I. germanica) used in pulverized form in perfumery and pharmacology—called also orris


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