noun. a physician who specializes in surgery.
adjective. ['ˈɑːpɝˌeɪtɪŋ, ˈɔpɝˌeɪtɪŋ'] being in effect or operation.
noun. ['ˈsɝːdʒən, ˈsɝːdʒɪn'] a physician who specializes in surgery.