trung tuyến

== Vietnamese == === Etymology === Sino-Vietnamese word from 中線 (“center line”). Not to be confused with đường trung trực (“segment bisector”). === Pronunciation === (Hà Nội) IPA(key): [t͡ɕʊwŋ͡m˧˧ twiən˧˦] (Huế) IPA(key): [ʈʊwŋ͡m˧˧ twiəŋ˦˧˥] (Saigon) IPA(key): [ʈʊwŋ͡m˧˧ t⁽ʷ⁾iəŋ˦˥] === Noun === trung tuyến (geometry, of a triangle) a median