Definition of 21 in English :

Define 21 in English

21 meaning in English

Meaning of 21 in English

Pronunciation of 21 in English

21 pronunciation in English

Pronounce 21 in English

21

see synonyms of 21

Noun

1. 21, twenty-one, xxi

the cardinal number that is the sum of twenty and one

Adjective

1. 21, twenty-one, xxi

being one more than twenty


1. 21, twenty-one, xxi

the cardinal number that is the sum of twenty and one


1. 21, twenty-one, xxi

being one more than twenty

Based on WordNet 3.0, Princeton University


21

see synonyms of 21
noun
pathology
a. 
a condition caused by the presence of an extra copy of chromosome 21 resulting in learning difficulties and physical differences, such as shorter stature
. Former name (offensive): mongolism. Technical name: trisomy 21
b. 
(as modifier)
a Down's syndrome baby

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