thirteenth
第十三,十三分之一
Thir·teenth a.
1. Next in order after the twelfth; the third after the tenth; -- the ordinal of thirteen; as, the thirteenth day of the month.
2. Constituting or being one of thirteen equal parts into which anything is divided.
Thir·teenth, n.
1. The quotient of a unit divided by thirteen; one of thirteen equal parts into which anything is divided.
2. The next in order after the twelfth.
3. Mus. The interval comprising an octave and a sixth.
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thirteenth
adj : coming next after the twelfth in position [syn: 13th]
n : position 13 in a countable series of things