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Webster 1913 Edition


Subderivative

Subˊde-riv′a-tive

,
Noun.
A word derived from a derivative, and not directly from the root;
as, “friendliness” is a
subderivative
, being derived from “friendly”, which is in turn a derivative from “friend.”

Definition 2024


subderivative

subderivative

English

Noun

subderivative (plural subderivatives)

  1. (linguistics) A word derived indirectly, from a derivative of another.
    "Friendliness" is a subderivative: it is derived from "friendly", which comes from "friend".
  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.

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