English Dictionary

MENTAL RETARDATION

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IPA (US): 

 Dictionary entry overview: What does mental retardation mean? 

MENTAL RETARDATION (noun)
  The noun MENTAL RETARDATION has 1 sense:

1. lack of normal development of intellectual capacitiesplay

  Familiarity information: MENTAL RETARDATION used as a noun is very rare.


 Dictionary entry details 


MENTAL RETARDATION (noun)


Sense 1

Meaning:

Lack of normal development of intellectual capacities

Classified under:

Nouns denoting cognitive processes and contents

Synonyms:

backwardness; mental retardation; retardation; slowness; subnormality

Hypernyms ("mental retardation" is a kind of...):

stupidity (a poor ability to understand or to profit from experience)

Hyponyms (each of the following is a kind of "mental retardation"):

abnormality; mental defectiveness (retardation sufficient to fall outside the normal range of intelligence)

mental deficiency; moronity (mild mental retardation)

amentia; idiocy (extreme mental retardation)

imbecility (retardation more severe than a moron but not as severe as an idiot)


 Context examples 


Mutations are associated with autosomal recessive nonsyndromic mental retardation.

(CRBN wt Allele, NCI Thesaurus)

Signs and symptoms include organomegaly, mental retardation, abnormal skeletal development, heart disorders, hearing loss, and central nervous system deficiencies.

(Mucopolysaccharidosis, NCI Thesaurus)

It is characterized by developmental delay, mental retardation, loose skin folds, cardiomyopathy, tachycardia, and structural heart defects.

(Costello syndrome, NCI Thesaurus)

The clinical course includes developmental delays in motor skills and speech with associated moderate mental retardation.

(Coffin-Siris Syndrome, NCI Thesaurus)

Mutation of the gene is associated with both mental retardation, X-linked, syndromic type 15 and Cabezas syndrome.

(CUL4B wt Allele, NCI Thesaurus)

Signs and symptoms include developmental delays, spasticity, ataxia, seizures and mental retardation.

(Argininemia, NCI Thesaurus)

This can cause mental retardation, behavioral and movement problems, seizures, and delayed development.

(Phenylketonuria, NCI Dictionary)

It is characterized by severe mental retardation, prominent forehead, sparse temporofrontal hair, hypertelorism, short nose, and streaks of hypopigmented skin.

(Pallister-Killian Syndrome, NCI Thesaurus)

Two pericentric inversions of the X chromosome inv(X)(q13;p22) and inv(X)(p22.3;q13.2) disrupt the gene and are associated with mental retardation.

(P2RY8 wt Allele, NCI Thesaurus)

It is characterized by mental retardation, developmental delay, microcephaly, short stature and kyphoscoliosis.

(Coffin-Lowry Syndrome, NCI Thesaurus)



 Learn English with... Proverbs 
"If you buy cheaply, you pay dearly." (English proverb)

"When the poor man is burried, the large bell of the parish is silent" (Breton proverb)

"The man who wanted to milk the male goat failed." (Arabic proverb)

"Keep throwing eggs on the wall." (Cypriot proverb)



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