nghịch biến
التعريفات والمعاني
== Vietnamese ==
=== Etymology ===
Sino-Vietnamese word from 逆 and 变.
=== Pronunciation ===
(Hà Nội) IPA(key): [ŋïk̟̚˧˨ʔ ʔɓiən˧˦]
(Huế) IPA(key): [ŋɨt̚˨˩ʔ ʔɓiəŋ˦˧˥]
(Saigon) IPA(key): [ŋɨt̚˨˩˨ ʔɓiəŋ˦˥]
=== Adjective ===
nghịch biến
(mathematics) not proportional