retardation
/ˌriːtɑːˈdeɪʃn/noun
उच्चारण रीटार्डेशन
मंदन, (विकास में) रुकावट, धीमापन
Advanced word
- 1
[U] formal
the process of making the development or progress of something slower; the state of developing more slowly than normal
मंदन, (विकास में) रुकावट, धीमापन
- Poor nutrition can cause growth retardation in children.
- the retardation of economic growth
Synonyms slowing delay hindrance
Opposite acceleration advancement
- 2
[U, C] physics
a decrease in the speed of a moving object; negative acceleration
मंदन, अवमंदन (ऋणात्मक त्वरण)
- A car moving at 20 m/s stops in 4 seconds with uniform retardation.
Synonyms deceleration
Opposite acceleration
- 3
[U] old-fashioned, offensive
(in the phrase mental retardation) a condition in which a person's mental development is slower than normal
(पुराना, अपमानजनक प्रयोग) मानसिक मंदता
- Doctors now use 'intellectual disability' instead of the older term 'mental retardation'.
◇Word family
≈Synonyms and antonyms
§Grammar and usage
Usage: When talking about people, say 'intellectual disability', because 'mental retardation' is now considered offensive.
Usage में, लोगों के बारे में बात करते समय 'intellectual disability' कहें, क्योंकि 'mental retardation' को अब अपमानजनक माना जाता है।