ANTIBODY

antibody

(noun) any of a large variety of proteins normally present in the body or produced in response to an antigen which it neutralizes, thus producing an immune response

Source: WordNet® 3.1

Etymology

Noun

antibody (plural antibodies)

(immunology) A protein produced by B-lymphocytes that binds to a specific antigen.

Synonyms

• immunoglobulin

Source: Wiktionary

An"ti*bod`y, n. (Physiol. Chem.)

Definition: Any of various bodies or substances in the blood which act in antagonism to harmful foreign bodies, as toxins or the bacteria producing the toxins. Normal blood serum apparently contains variousantibodies, and the introduction of toxins or of foreign cells also results in the development of their specific antibodies.

Source: Webster’s Unabridged Dictionary 1913 Edition