anergy

noun3

1. •
   Lack of immunity to an antigen.
2. •
   Dilute or disorganized energy, which cannot be transformed into work; bound energy

   • The maximum fraction of an energy form which (in a reversible process) can be transformed into work is called exergy. The remaining part is called anergy, and this corresponds to the waste heat. — 2002
3. •
   Deficiency of energy.