A Y-shaped protein on the surface of B cells that is secreted into the blood or lymph in response to an antigenic stimulus, such as a bacterium, virus, parasite, or transplanted organ, and that neutralizes the antigen by binding specifically to it; an immunoglobulin
Of or belonging to ancient times, especially of, from, or characteristic of ancient Greece or Rome, Old-fashioned; outdated, noun_ An old piece of furniture, household item, or other similar item
Of or relating to a software program designed to identify and remove known or potential computer viruses, noun_ computing A piece of software that is used to detect, delete and or neutralize computer-based viruses
A state of uneasiness and apprehension, as about future uncertainties, a vague unpleasant emotion that is experienced in anticipation of some (usually ill-defined) misfortune