Tenth can mean:

In mathematics:
* 10th, an ordinal number; as in the item in an order ten places from the beginning, following the ninth and preceding the eleventh.
* 1/10, a fraction, one part of a unit divided equally into ten parts. It is written 0.1 in decimal notation.

In music theory:
* The note ten scale degrees from the root (current note, in a chord).
** The interval (music) (that is, gap) between the root and the tenth note.
** The chord (music) created by the root and the tenth (note), a compound third; an octave (seven scale degrees) plus a third.

ee also

*10 (number)
*Tenth Island, Tasmania
*Tenth Presbyterian Church

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