from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A set of one or more antigenic determinants specific to the variable region of an immunoglobulin molecule.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A characteristic shared by a group of immunoglobulin or T cell receptor molecules, based on the antigen binding specificity of their variable region
from The Century Dictionary and Cyclopedia
- n. An object or a substance typical of a class; one of a series exhibiting like peculiarities.
- n. In the nomenclature of types in natural history, a specimen, not a holotype, identified by the nomenclator himself.
idio- + type (Wiktionary)