资料来源 : pyDict

第十三,十三分之一

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Thirteenth \Thir"teenth`\, a. [From {Thirteen}: cf. AS.
   [thorn]re['o]te['o][eth]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.

Thirteenth \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.

资料来源 : WordNet®

thirteenth
     adj : coming next after the twelfth in position [syn: {13th}]
     n : position 13 in a countable series of things