|a scrap or morsel of food left at a meal.|
|a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.|
|1.||readily partaking in chemical reactions: sodium is a reactive metal; free radicals are very reactive|
|2.||of, concerned with, or having a reactance|
|3.||responsive to stimulus|
|4.||(of mental illnesses) precipitated by an external cause: reactive depression|
reactive re·ac·tive (rē-āk'tĭv)
Tending to be responsive or to react to a stimulus.
Characterized by reaction.
Tending to participate readily in chemical reactions.