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slowing, deceleration, retardation | a decrease in rate of change | |
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retardation | the extent to which something is delayed or held back | |
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retardation, slowness, mental retardation, backwardness, subnormality | lack of normal development of intellectual capacities | |
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lag, slowdown, retardation | the act of slowing down or falling behind | |
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retardation, retardant, retardent | any agent that retards or delays or hinders |