reactive

[ ree-ak-tiv ]
/ riˈæk tɪv /

adjective

tending to react.
pertaining to or characterized by reaction.
Electricity. pertaining to or characterized by reactance.

Origin of reactive

First recorded in 1705–15; react + -ive

OTHER WORDS FROM reactive

WORDS THAT MAY BE CONFUSED WITH reactive

proactive reactionary reactive
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for nonreactive

  • Season the venison with salt and pepper and put it into a nonreactive bowl such as a Pyrex dish.

    Fresh Picks|Daniel Boulud|November 17, 2010|DAILY BEAST
  • And it's what allows me to think about guns in a smart, nonreactive manner.

    Why I Love Guns|Meghan McCain|May 14, 2009|DAILY BEAST

British Dictionary definitions for nonreactive

reactive
/ (rɪˈæktɪv) /

adjective

readily partaking in chemical reactionssodium is a reactive metal; free radicals are very reactive
of, concerned with, or having a reactance
responsive to stimulus
(of mental illnesses) precipitated by an external causereactive depression

Derived forms of reactive

reactively, adverbreactivity (ˌriːækˈtɪvɪtɪ) or reactiveness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for nonreactive

reactive
[ rē-ăktĭv ]

adj.

Tending to be responsive or to react to a stimulus.
Characterized by reaction.
Tending to participate readily in chemical reactions.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.