Anergy

//ˈænə(ɹ)dʒi// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Dilute or disorganized energy, which cannot be transformed into work. countable, uncountable

    "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."

  2. 2
    inactivity and lack of energy wordnet
  3. 3
    Deficiency of energy. countable, uncountable
  4. 4
    reduction or lack of an immune response to a specific antigen wordnet
  5. 5
    Lack of immunity to an antigen. countable, uncountable

Synonyms

All synonyms
bound energyentropyentropy

Example

More examples

"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."

Etymology

From New Latin anergia, from Ancient Greek ἀν- (an-, “not, without”) + ἔργον (érgon, “work”).

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.