English noun: retardation |
1. | retardation (attribute) a decrease in rate of change |
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| Samples | The deceleration of the arms race.
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| Synonyms | deceleration, slowing |
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| Broader (hypernym) | alteration, change, modification |
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| Antonyms | acceleration |
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2. | retardation (time) the extent to which something is delayed or held back |
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| Broader (hypernym) | delay, hold, postponement, time lag, wait |
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3. | retardation (object) any agent that retards or delays or hinders |
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| Samples | Flame-retardant.
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| Synonyms | retardant, retardent |
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| Broader (hypernym) | agent |
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4. | retardation (cognition) lack of normal development of intellectual capacities |
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| Synonyms | backwardness, mental retardation, slowness, subnormality |
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| Broader (hypernym) | stupidity |
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| Narrower (hyponym) | abnormality, amentia, idiocy, imbecility, mental defectiveness, mental deficiency, moronity |
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5. | retardation (act) the act of slowing down or falling behind |
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| Synonyms | lag, slowdown |
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| Broader (hypernym) | delay, holdup |
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