pháp tuyến

== Vietnamese == === Etymology === Sino-Vietnamese word from 法線, from Chinese 法線 / 法线 (fǎxiàn, “normal”). === Pronunciation === (Hà Nội) IPA(key): [faːp̚˧˦ twiən˧˦] (Huế) IPA(key): [faːp̚˦˧˥ twiəŋ˦˧˥] (Saigon) IPA(key): [faːp̚˦˥ t⁽ʷ⁾iəŋ˦˥] === Adjective === pháp tuyến (geometry) normal ==== Derived terms ====