retardation : Idioms & Phrases
Acceleration and retardation of the tides
- . See
Priming of the tides , underPriming .
Webster 1913
mental retardation
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noun lack of normal development of intellectual capacities
retardation; subnormality; slowness; backwardness.
WordNet
Retardation of the tide
- .
(a) The lunitidal interval, or the hour angle of the moon at the time of high tide any port; the interval between the transit of the moon and the time of high tide next following .(b) The age of the tide; the retard of the tide. See underRetard , n.