1. immunology - The failure of an organism's immune system to respond to an antigen or an antibody.
  2. medicine - An aberrant shortage of energy.

An*er"gi*a , An"er*gy (?), n. [NL. anergia, fr. Gr. &?;- not + &?; work.]

Lack of energy; inactivity. -- An*er"gic (#), a.

 

© Webster 1913

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