• A deterioration of condition.
  • The process or result of being gradually decomposed.


  • (intransitive, aviation) Loss of airspeed due to drag.
  • (intransitive) To deteriorate, to get worse, to lose strength or health, to decline in quality.

    "The pair loved to take pictures in the decaying hospital on forty-third street."

  • (intransitive, physics, of a satellite's orbit) To undergo prolonged reduction in altitude (above the orbited body).

    "2009, Francis Lyall, Paul B. Larsen, Space Law: A Treatise, page 120:"

  • (intransitive, transitive, physics, of a quantum system) To undergo optical decay, that is, to relax to a less excited state, usually by emitting a photon or phonon.
  • (intransitive, computing, of software) To undergo software rot, that is, to fail to be updated in a changing environment,so as to eventually become legacy or obsolete.
  • (intransitive, transitive, physics, chemistry, of an unstable atom) To change by undergoing fission, by emitting radiation, or by capturing or losing one or more electrons.
  • (transitive) To cause to rot or deteriorate.

    "The extreme humidity decayed the wooden sculptures in the museum's collection in a matter of years."

  • (intransitive, electronics, of storage media or the data on them) To undergo bit rot, that is, gradual degradation.
  • (intransitive, of organic material) To rot, to go bad.

    "The cat's body decayed rapidly."

Leave a Reply

Your email address will not be published.