Down Syndrome Definition

doun
noun
A congenital condition characterized by abnormal chromosomes, mental deficiency, a broad face, slanting eyes, a short fifth finger, etc.
Webster's New World

(chiefly US) Condition caused by a chromosomal excess, whereby the patients bear a certain resemblance to the Mongoloid race, such as a small head and tilted eyelids, and typically have a delay in cognitive ability and physical growth.

Wiktionary
Synonyms:
  • mongolianism
  • Down's syndrome
  • trisomy-21
  • mongolism

Origin of Down Syndrome

  • Named after John L.H. Langdon-Down (1828-1896), an English physician who described it in the late 1800s. The term was first used in 1961.

    From Wiktionary

  • After John Langdon Haydon Down (1828–1896), British physician

    From American Heritage Dictionary of the English Language, 5th Edition

Down Syndrome Sentence Examples

  • This factor may be due to the characteristic facial abnormalities and relatively large tongues of Down-syndrome children.

  • Nevertheless, Down-syndrome children often are very sociable and interested in conversational language.

  • The extra chromosome in Down syndrome is labeled number 21.

  • As people with Down syndrome age, they face an increased chance of developing the brain disease called Alzheimer's (sometimes referred to dementia or senility).

  • The Down syndrome adolescent with an IQ of around 50 points does not seem to progress beyond the grammatical level of the normally intelligent child at three years, with short sentences that are restricted in variety and complexity.

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Words Starting With

DDODOW

Words Ending With

EMEOME

Unscrambles

Down syndrome

Words Starting With D and Ending With E

Starts With D & Ends With EStarts With DO & Ends With EStarts With D & Ends With ME

Word Length

13 Letter Words13 Letter Words Starting With D13 Letter Words Ending With E