What do a.m. and p.m. stand for?


[aj-uh-vuh nt] /ˈædʒ ə vənt/
serving to help or assist; auxiliary.
Medicine/Medical. utilizing drugs, radiation therapy, or other means of supplemental treatment following cancer surgery.
a person or thing that aids or helps.
anything that aids in removing or preventing a disease, especially a substance added to a prescription to aid the effect of the main ingredient.
Immunology. a substance admixed with an immunogen in order to elicit a more marked immune response.
Origin of adjuvant
1600-10; < Latin adjuvant- (stem of adjuvāns, present participle of adjuvāre), equivalent to ad- ad- + juv- (stem of juvāre to help) + -ant- -ant Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for adjuvant
  • Q: I've heard researchers may need to use an immune booster, called an adjuvant, for flu vaccine.
  • With the tetanus shot, the diptheria toxoid added acts as an adjuvant.
  • For example, they have spent eight decades adding alum to vaccines as what is known as an adjuvant.
  • Dr Rappuoli says that if an adjuvant is used, half the normal flu dose would work.
  • Adding adjuvant(s) doubles the amount of vaccine available? Well, yes.
  • Some big vaccine-makers, for example, are bolstering the conventional approach with adjuvants.
  • adjuvant chemotherapy is administered following surgery and before radiation therapy.
British Dictionary definitions for adjuvant


aiding or assisting
something that aids or assists; auxiliary
(med) a drug or other substance that enhances the activity of another
(immunol) a substance that enhances the immune response stimulated by an antigen when injected with the antigen
Word Origin
C17: from Latin adjuvāns, present participle of adjuvāre, from juvāre to help
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
Cite This Source
adjuvant in Medicine

adjuvant ad·ju·vant (āj'ə-vənt)

  1. A pharmacological agent added to a drug, predictably affecting the action of the drug's active ingredient.

  2. An immunological vehicle for enhancing antigenicity, such as a water-in-oil emulsion in which antigen solution is emulsified in mineral oil. Also called immunoadjuvant.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

Word of the Day

Difficulty index for adjuvant

Some English speakers likely know this word

Word Value for adjuvant

Scrabble Words With Friends

Nearby words for adjuvant