degeneration

/di-ˌje-nə-ˈrā-shən/

noun

  1. degenerate condition

  2. a lowering of effective power, vitality, or essential quality to an enfeebled and worsened kind or state

  3. intellectual, moral, or artistic decline

deterioration degeneration decadence decline mean the falling from a higher to a lower level in quality, character, or vitality. deterioration implies generally the impairment of value or usefulness. degeneration stresses physical, intellectual, or especially moral retrogression.

noun

  1. macular degeneration that affects the elderly in either a slowly progressing form marked especially by the accumulation of yellow deposits in and thinning of the macula or in a rapidly progressing form marked by scarring produced by bleeding and fluid leakage below the macula —abbreviation AMD

noun

  1. progressive deterioration of the macula resulting in a gradual loss of the central part of the visual field; especially : age-related macular degeneration