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inactivate

[in-ak-tuh-veyt] /ɪnˈæk təˌveɪt/
verb (used with object), inactivated, inactivating.
1.
to make inactive:
The bomb was inactivated.
2.
Immunology. to stop the activity of (certain biological substances).
Origin
1905-1910
1905-10; inactive + -ate1
Related forms
inactivation, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for inactivate
  • Ultraviolet radiation from the sun and a temperature increase inside the bottles inactivate pathogens, making it safe to drink.
  • The researchers tried again, but used a short-lived protein switch to inactivate the genes.
  • The consequence is to inactivate the gene being methylated.
  • Others generate powerful enzymes that inactivate the drugs.
  • As an added safety feature, the virus is designed to inactivate itself after it delivers its payload.
  • It uses electrical pulses to inactivate bacteria by poking holes in their cell walls.
  • Scientists purify and inactivate the harvested protein so that it can stimulate an immune response without causing an infection.
  • Gene targeting allows researchers to inactivate individual genes.
  • Sprays that contain these chemicals are not anesthetics, but they are used to inactivate the sensitive areas.
  • If a sole owner ceases to do business, the owner may wish to cancel or inactivate the license.
British Dictionary definitions for inactivate

inactivate

/ɪnˈæktɪˌveɪt/
verb
1.
(transitive) to render inactive
Derived Forms
inactivation, 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
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inactivate in Medicine

inactivate in·ac·ti·vate (ĭn-āk'tə-vāt')
v. in·ac·ti·vat·ed, in·ac·ti·vat·ing, in·ac·ti·vates

  1. To render nonfunctional.

  2. To make quiescent.


in·ac'ti·va'tion n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Difficulty index for inactivate

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Word Value for inactivate

15
18
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