Thirtieth

Definition:

  • (a.) Next in order after the twenty-ninth; the tenth after the twentieth; -- the ordinal of thirty; as, the thirtieth day of the month.
  • (a.) Constituting or being one of thirty equal parts into which anything is divided.
  • (n.) The quotient of a unit divided by thirty; one of thirty equal parts.

Compare thirtieth with other words:

thirtieth vs. thirty