fifteenth
Americanadjective
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next after the fourteenth; being the ordinal number for 15.
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being one of 15 equal parts.
noun
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a fifteenth part, especially of one (1/15).
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the fifteenth member of a series.
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Music. the interval of two octaves.
adjective
"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012noun
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one of 15 equal or nearly equal parts of something
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( as modifier )
a fifteenth part
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the fraction equal to one divided by 15 ( 1/ 15 )
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an interval of two octaves
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one of two notes constituting such an interval in relation to the other, esp the one higher in pitch
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an organ stop of diapason quality sounding a note two octaves higher than that normally produced by the key depressed; a two-foot stop
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Etymology
Origin of fifteenth
before 900; Middle English fiftenthe ( fifteen, -th 2 ); replacing Middle English fiftethe, Old English fīftēotha
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
By the late fifteenth century, however, the lines originally drawn in biblical maps began spreading into maps of the wider world.
From Science Daily
In 1965, Congress passed the Voting Rights Act — the subtitle of which, Keyssar points out, is “an act to enforce the fifteenth amendment.”
From Salon
Both arrangements have been part of the series from its first to its fifteenth installments.
From Seattle Times
The fifteenth — Gary Creek, 39, one of three alleged leaders — was scheduled to surrender Thursday.
From Washington Post
"A little bit, only because we were on the fifteenth floor, so I knew if something happened, we had to get out quick and not use the elevator," another guest, Lauren Pruitt, added.
From Fox News
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.