allergoid

noun
al·ler·goid | \ ˈa-lər-ˌgȯid \

Medical Definition of allergoid 

: an allergen (such as pollen) that has been chemically modified and is used especially in immunotherapy to treat allergic conditions by lessening the immune response An allergoid made from ragweed allergen and injected into someone with hay fever could teach ragweed-specific [T helper] cells not to give the “go ahead” signal for a reaction to real ragweed pollen. —Johnathan Brostoff and Linda Gamlin, Hay Fever: The Complete Guide …, 2002

Note: Allergoids are less likely to bind to the immunoglobulin IgE and cause serious side effects during treatment.

Learn More about allergoid

Comments on allergoid

What made you want to look up allergoid? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

the setting in which something occurs

Get Word of the Day daily email!

Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!