idiotype

noun

id·​io·​type ˈi-dē-ə-ˌtīp How to pronounce idiotype (audio)
: the molecular structure and conformation of an antibody that confers its antigenic specificity
idiotypic
ˌi-dē-ə-ˈti-pik How to pronounce idiotype (audio)
adjective

Word History

First Known Use

1967, in the meaning defined above

Time Traveler
The first known use of idiotype was in 1967

Phrases Containing idiotype

Rhymes for idiotype

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Browse Nearby Words

idiot sheet
idiotype
Iditarod Trail
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Cite this Entry

“Idiotype.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/idiotype. Accessed 7 Jul. 2026.

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Medical Definition

idiotype

noun
id·​io·​type ˈid-ē-ə-ˌtīp How to pronounce idiotype (audio)
: the molecular structure and conformation in the variable region of an immunoglobulin that confers its antigenic specificity compare allotype, isotype
idiotypic
ˌid-ē-ə-ˈtip-ik How to pronounce idiotype (audio)
adjective
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