noun (n)

• a decrease in rate of change

  sebuah pengurangan dalam kadar perubahan

  Synonym:
  deceleration, slowing
  Antonym:
  acceleration
  

  source: wordnet30
• the extent to which something is delayed or held back

  sejauh mana ditunda atau menahan sesuatu

  source: wordnet30
• any agent that retards or delays or hinders

  ada agen yang bodoh atau penundaan atau hinders

  Synonym:
  retardant, retardent
  

  source: wordnet30
• lack of normal development of intellectual capacities

  kurang normal pembangunan intelektual capacities

  Synonym:
  backwardness, mental retardation, slowness, subnormality
  

  source: wordnet30
• the act of slowing down or falling behind

  tindakan melambat atau tertinggal di belakang

  Synonym:
  lag, slowdown
  

  source: wordnet30
• The act of retarding; hindrance; the act of delaying; as, the retardation of the motion of a ship; -- opposed to acceleration.

  tindakan retarding; halangan; tindakan menunda; sebagai, i pembantutan/ aku yang bergerak kapal; - - menentang aku percepatan/ aku.

  source: webster1913