subderivative
构词拆解
sub-
前缀
- sub-
- Under, beneath. · Subsidiary, secondary.
词源说明
From sub- + derivative.
释义
名词noun
- 1(linguistics) A word derived indirectly, from a derivative of another.
- 2(mathematics) A generalization of the notion of a derivative, defined as the slope of a line that either touches, or is everywhere below the line of a convex function.