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WordReference Random House Unabridged Dictionary of American English © 2024fif•teenth (fif′tēnth′),USA pronunciation adj. - next after the fourteenth;
being the ordinal number for 15. - being one of 15 equal parts.
n. - a fifteenth part, esp. of one (1⁄15).
- the fifteenth member of a series.
- [Music.]the interval of two octaves.
- bef. 900; Middle English fiftenthe (see fifteen, -th2); replacing Middle English fiftethe, Old English fīftēotha
Collins Concise English Dictionary © HarperCollins Publishers:: ˈfifteenth /ˈfɪfˈtiːnθ/ adj - coming after the fourteenth in order, position, time, etc. Often written: 15th
- (as noun): the fifteenth of the month
n - one of 15 equal or nearly equal parts of something
- (as modifier): a fifteenth part
- the fraction equal to one divided by 15 ( 1⁄15)
- an interval of two octaves
- one of two notes constituting such an interval in relation to the other, esp the one higher in pitch
- an organ stop of diapason quality sounding a note two octaves higher than that normally produced by the key depressed; a two-foot stop
fif•teen /ˈfɪfˈtin/USA pronunciation n. [countable]- a cardinal number, ten plus five.
- a symbol for this number, as 15 or XV.
adj. [ before a noun] - amounting to 15 in number.
fif•teenth, adj., n. [countable] WordReference Random House Unabridged Dictionary of American English © 2024fif•teen (fif′tēn′),USA pronunciation n. - a cardinal number, ten plus five.
- a symbol for this number, as 15 or XV.
- a set of this many persons or things.
adj. - amounting to 15 in number.
- Middle English, Old English fiftene. See five, -teen bef. 900
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