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fifteen

[fif-teen] /ˈfɪfˈtin/
noun
1.
a cardinal number, ten plus five.
2.
a symbol for this number, as 15 or XV.
3.
a set of this many persons or things.
adjective
4.
amounting to 15 in number.
Origin
900
before 900; Middle English, Old English fiftene. See five, -teen
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for fifteens

fifteen

/ˈfɪfˈtiːn/
noun
1.
the cardinal number that is the sum of ten and five
2.
a numeral, 15, XV, etc, representing this number
3.
something represented by, representing, or consisting of 15 units
4.
a rugby union football team
determiner
5.
  1. amounting to fifteen: fifteen jokes
  2. (as pronoun): fifteen of us danced
Word Origin
Old English fīftēne

Fifteen

/ˈfɪfˈtiːn/
noun
1.
(Brit, history) the Fifteen, the Jacobite rising of 1715
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for fifteens

fifteen

n.

Old English fiftyne, from fif "five" (see five) + tyne (see -teen). Cf. Old Saxon fiftein, Old Frisian fiftine, Old Norse fimtan, Swedish femton, Dutch vijftien, German fünfzehn, Gothic fimftaihun "fifteen." French quinze, Italian quindici "fifteen" are from Latin quindecim (see Quatorze).

Online Etymology Dictionary, © 2010 Douglas Harper
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Word Value for fifteens

14
15
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