idiotype

[id-ee-uh-tahyp]

noun Immunology.

the molecular arrangement of amino acids unique to the antigen-binding site of a particular antibody.

Origin of idiotype

1969; back formation from idiotypic or idiotypy, on the model of allotypy; see idio-, allotype

Related formsid·i·o·typ·ic

[id-ee-uh-tip-ik] /ˌɪd i əˈtɪp ɪk/, adjectiveid·i·o·typ·y

[id-ee-uh-tahy-pee] /ˈɪd i əˌtaɪ pi/, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Idiotype: a specimen named by the author after comparison with the type, but not also a topotype.
Explanation of Terms Used in Entomology
John. B. Smith

idiotype in Medicine

(ĭd′ē-ə-tīp′)

A determinant that confers on an immunoglobulin molecule an antigenic individuality that is analogous to the individuality of the molecule's antibody activity.