phiếm hàm

== Vietnamese == === Etymology === Sino-Vietnamese word from 泛函, composed of 泛 (“unspecific”) and 函 (“case; function”). === Pronunciation === (Hà Nội) IPA(key): [fiəm˧˦ haːm˨˩] (Huế) IPA(key): [fiəm˦˧˥ haːm˦˩] (Saigon) IPA(key): [fim˦˥ haːm˨˩] === Noun === phiếm hàm (mathematics) a functional