noun \ˈant-i-ˌbäd-ē\
plural an·ti·bod·ies

Definition of ANTIBODY

: any of a large number of proteins of high molecular weight that are produced normally by specialized B cells after stimulation by an antigen and act specifically against the antigen in an immune response, that are produced abnormally by some cancer cells, and that typically consist of four subunits including two heavy chains and two light chains—called also immunoglobulin

Illustration of ANTIBODY

Seen & Heard

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

Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
Join Us on FB & Twitter
Get the Word of the Day and More