pānga kōaro
1. (noun) inverse function, inverse relation (maths).
Ko te pānga kōaro te huringa kōaro o tētahi pānga kei waenganui i ētahi taurangi e rua. Hei tauira, ko te haurua te pānga kōaro o te rearua (TRP 2010:194). / An inverse relation is the reversal of a relationship between two variables. For example, half is the inverse relation of double. (TRP 2010:194).