cao su

== Vietnamese == === Alternative forms === cao-su caosu === Etymology === From French caoutchouc, from Quechua kawchu. Compare Khmer កៅស៊ូ (kawsuu). Unrelated to Chinese 塑膠／塑胶 (sùjiāo, “plastic”). === Pronunciation === (Hà Nội) IPA(key): [kaːw˧˧ su˧˧] (Huế) IPA(key): [kaːw˧˧ ʂʊw˧˧] ~ [kaːw˧˧ sʊw˧˧] (Saigon) IPA(key): [kaːw˧˧ ʂʊw˧˧] ~ [kaːw˧˧ sʊw˧˧] === Noun === cao su rubber (pliable material derived from the sap of the rubber tree) === Adjective === cao su rubbery; elastic ==== Derived terms ====