RETARDATION


Meaning of RETARDATION in English

noun Date: 15th century an act or instance of retarding, the extent to which something is retarded, a musical suspension, 4. an abnormal slowness of thought or action, slowness in development or progress

Merriam Webster. Explanatory English dictionary Merriam Webster.      Толковый словарь английского языка Мерриам-Уэбстер.