Phrase guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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noun
The presence of three copies of the 21st chromosome in the karyotype.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
Qualifier: medical genetics
No example sentence was provided for this meaning.
Synonyms: Down syndrome
Antonyms: none provided
noun
a congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: mongolism, mongolianism, Down's syndrome, Down syndrome
Antonyms: none provided
Broader terms: birth defect, congenital anomaly, congenital defect, congenital disorder, congenital abnormality, trisomy
History
No etymology was provided for this word.
Across languages
8 source translations are retained for this English entry.
