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21
(redirected from 21 AD)

    Also found in: Wikipedia 0.01 sec.
adj.1.one more than twenty; twenty plus one more; denoting a quantity consisting of twenty-one items or units; - representing the number twenty-one as Arabic numerals
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.21 - the cardinal number that is the sum of twenty and one21 - the cardinal number that is the sum of twenty and one
twenty-one, XXI
large integer - an integer equal to or greater than ten
Adj.1.21 - being one more than twenty21 - being one more than twenty          
twenty-one, xxi
cardinal - being or denoting a numerical quantity but not order; "cardinal numbers"
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These include: - CENTURY 21 HOME IMPROVEMENTS, which has generated thousands of new leads for CENTURY 21 system members since its launch in January and has more than 100 malls kiosks up and running; - THE NEW CENTURY 21 AD CAMPAIGN, which increased calls to CENTURY 21's toll free 1-800-4-HOUSES four-fold during its first week and will, over the course of the year, reach almost 100% of American homes 28 times -- nearly twice the number of consumer impressions the company achieved last year.
HFS and CENTURY 21 announce major initiatives to benefit brokers and ... by Business Wire
 
 
 
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