Reactive Definition

rē-ăktĭv
adjective
Tending to react.
Webster's New World
Of, caused by, or showing reaction or reactance.
Webster's New World
Tending to participate readily in reactions.
American Heritage

That reacts or responds to a stimulus.

Wiktionary

(electronics) Characterized by induction or capacitance rather than resistance.

Wiktionary
Synonyms:
Antonyms: