ninth
next after the eighth; being the ordinal number for nine.
being one of nine equal parts.
a ninth part, especially of one (1/9).
the ninth member of a series.
Music.
a tone distant from another tone by an interval of an octave and a second.
the interval between such tones.
harmonic combination of such tones.
in the ninth place.
Origin of ninth
1Other words from ninth
- ninthly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use ninth in a sentence
Its most important compound is water, of which it forms one-ninth, the other eight-ninths consisting of oxygen.
Elements of Agricultural Chemistry | Thomas AndersonAnd next he filled up the intervals of a fourth with ninths, leaving a remnant which is in the ratio of 256:243.
Timaeus | PlatoThat each of the 90 must pay ten-ninths of a pound is a conclusion that the rule of three draws for us.
Domesday Book and Beyond | Frederic William MaitlandThe notes were thus reduced 50 per cent., and the shares only four-ninths per cent.
The wine in small glass was one-sixth of the total liquid, and the wine in large glass two-ninths of total.
Amusements in Mathematics | Henry Ernest Dudeney
British Dictionary definitions for ninth
/ (naɪnθ) /
(usually prenominal)
coming after the eighth in counting order, position, time, etc; being the ordinal number of nine. Often written: 9th
(as noun): he came on the ninth; ninth in line
one of nine equal or nearly equal parts of an object, quantity, measurement, etc
(as modifier): a ninth part
the fraction equal to one divided by nine (1/9)
music
an interval of one octave plus a second
one of two notes constituting such an interval
See ninth chord
Also: ninthly after the eighth person, position, event, etc
Also: ninthly as the ninth point: linking what follows to the previous statement
Origin of ninth
1Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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