What is "derivate"

Derivate \Der"i*vate\, a. [L. derivatus, p. p. of derivare. See Derive.] Derived; derivative. [R.]
--H. Taylor. -- n. A thing derived; a derivative. [R.]

Derivate \Der"i*vate\, v. t. To derive. [Obs.]
--Huloet.

late 15c., from Latin derivatus, past participle of derivare (see derive). From 1650s as a noun.

1. Derived; derivative. n. Something derived; a derivative. v

2. (context obsolete English) To derive.

A derivate is the product of a derivatization reaction.