explement + -ary
explementary (无比较级)
- (几何学) 共轭的
2002, Nathaniel Bowditch, American Practical Navigator,第 317 页:Two angles whose sum is a circle (360°) are explementary angles, and either is the explement of the other.- 两个角度总和为周角(360°)的角是一对共轭角,互为对方的辅角。