21(redirected from 21 AD)
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|Noun||1.||21 - the cardinal number that is the sum of twenty and one|
large integer - an integer equal to or greater than ten
|Adj.||1.||21 - being one more than twenty |
cardinal - being or denoting a numerical quantity but not order; "cardinal numbers"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.