retardation

(rē′tär dās̸hən)

noun

  1. a retarding or being retarded
  2. something that retards; hindrance
  3. mental retardation
  4. a decrease in velocity
  5. the amount that something is retarded

Origin: ME < L retardatio

Related Forms:

See retardation in American Heritage Dictionary 4

noun
  1. a. The act or process of retarding.
    b. The condition of being retarded.
  2. The extent to which something is held back or delayed.
  3. Something that retards; a delay or hindrance.
  4. Mental retardation.
  5. Music A diminishing of tempo; a retard.

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