mucoepidermoid

adjective

mu·​co·​epi·​der·​moid ˌmyü-kō-ˌep-ə-ˈdər-ˌmȯid 

: of, relating to, or consisting of both mucous and squamous epithelial cells

especially : being a tumor of the salivary glands made up of mucous and epithelial elements

mucoepidermoid carcinoma