RETARDATION


Meaning of RETARDATION in English

transcription, транскрипция: [ ˌrē-ˌtär-ˈdā-shən, ri- ]

noun

Date: 15th century

1. : an act or instance of retarding

2. : the extent to which something is retarded

3. : a musical suspension ; specifically : one that resolves upward

4.

a. : an abnormal slowness of thought or action ; also : less than normal intellectual competence usually characterized by an IQ of less than 70

b. : slowness in development or progress

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.