explement + -ary
explementary (無比較級)
- (幾何學) 共軛的
2002, Nathaniel Bowditch, American Practical Navigator,第 317 頁:Two angles whose sum is a circle (360°) are explementary angles, and either is the explement of the other.- 兩個角度總和為周角(360°)的角是一對共軛角,互為對方的輔角。