degradationn.[LL. degradatio, from degradare: cf. F. dgradation. See Degrade.]1. The act of reducing in rank, character, or reputation, or of abasing; a lowering from one's standing or rank in office or society; diminution; as, the degradation of a peer, a knight, a general, or a bishop.()He saw many removes and degradations in all the other offices of which he had been possessed. (Clarendon.)2. The state of being reduced in rank, character, or reputation; baseness; moral, physical, or intellectual degeneracy; disgrace; abasement; debasement.()The . . . degradation of a needy man of letters. (Macaulay.)Deplorable is the degradation of our nature. (South.)Moments there frequently must be, when a sinner is sensible of the degradation of his state. (Blair.)3. Diminution or reduction of strength, efficacy, or value; degeneration; deterioration.()The development and degradation of the alphabetic forms can be traced. (I. Taylor (The Alphabet).)4. (Geol.) A gradual wearing down or wasting, as of rocks and banks, by the action of water, frost etc.()5. (Biol.) The state or condition of a species or group which exhibits degraded forms; degeneration.()The degradation of the species man is observed in some of its varieties. (Dana.)6. (Physiol.) Arrest of development, or degeneration of any organ, or of the body as a whole.()Degradation of energy, or Dissipation of energy (Physics), the transformation of energy into some form in which it is less available for doing work.()()