Kalmar "chromium" tana nufin wani sinadari mai alamar Cr da lambar atomic 24. Ƙarfe ne mai wuya, mai launin azurfa-fari wanda ke cikin rukunin ƙarafa na lokaci-lokaci. Chromium sananne ne don juriya mai girman lalata kuma galibi ana amfani dashi azaman kayan shafa don wasu karafa don hana tsatsa da haɓaka dorewa. Hakanan ana amfani dashi a cikin gami daban-daban, kamar bakin karfe, don haɓaka taurin, ƙarfi, da juriya ga iskar shaka. A cikin nau'in trivalent, chromium muhimmin sinadari ne ga mutane, yana taka rawa a cikin metabolism na glucose. Koyaya, wasu nau'ikan chromium hexavalent suna da guba kuma suna iya haifar da haɗarin lafiya.