- a toxin rendered nontoxic by treatment with chemical agents or by physical means and used for administration into the body in order to produce specific immunity by stimulating the production of antibodies.
Origin of toxoid
Also called anatoxin.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for toxoid
A toxin which has lost its poisonous property, its toxophore group, is spoken of as a toxoid.The Fundamentals of Bacteriology
Charles Bradfield Morrey
- a toxin that has been treated to reduce its toxicity and is used in immunization to stimulate production of antitoxins
- A substance that has been treated to destroy its toxic properties but that retains the capacity to stimulate production of antitoxins, used in immunization.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- A substance that is normally toxic but has been treated to destroy its toxic properties without eliminating its capacity to stimulate the production of antitoxins by the immune system.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.