biến nhiệt

== Vietnamese == === Etymology === Sino-Vietnamese word from 變 (“to change”) and 熱 (“heat”), from nhiệt độ (“temperature”, literally “degree of hotness”). Compare Chinese 變溫 / 变温 (biến ôn) which is from 溫度 / 温度 (ôn độ, literally “degree of warmth”). === Pronunciation === (Hà Nội) IPA(key): [ʔɓiən˧˦ ɲiət̚˧˨ʔ] (Huế) IPA(key): [ʔɓiəŋ˦˧˥ ɲiək̚˨˩ʔ] (Saigon) IPA(key): [ʔɓiəŋ˦˥ ɲiək̚˨˩˨] === Adjective === biến nhiệt (zoology) poikilothermic Antonym: hằng nhiệt === See also === máu lạnh