Definition of toxoid in English:

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toxoid

Pronunciation: /ˈtäksoid/

noun

Medicine
A chemically modified toxin from a pathogenic microorganism, which is no longer toxic but is still antigenic and can be used as a vaccine.
Example sentences
  • No evidence shows an increased risk from vaccinating pregnant women with inactivated virus or bacterial vaccines or toxoids.
  • One part of the schedule lists immunizations indicated by age, particularly influenza, tetanus and diphtheria toxoids, and pneumococcal polysaccharide vaccine.
  • Active immunization by vaccination with tetanus toxoid (an inactivated form of the toxin) is now usual in childhood, along with diphtheria and whooping cough vaccines.

For editors and proofreaders

Syllabification: tox·oid

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