Noun
retardation [pl. retardations]
تخلف {حَضَارِيّ إلخ}
retardation [pl. retardations]
retardation [pl. retardations]
retardation [pl. retardations]
retardation [pl. retardations]
retardation [pl. retardations]
retardation {med.}
بُطْء {طب}
retardation {med.}