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Definitions of 150th
  1. adjective
    the ordinal number of one hundred fifty in counting order
Definition that contains 150th
  • sesquicentennial the 150th anniversary (or the celebration of it)
  • hawaii standard time standard time in the 10th time zone west of Greenwich, reckoned at the 150th meridian west; used in Hawaii and the western Aleutian Islands
  • hawaii time standard time in the 10th time zone west of Greenwich, reckoned at the 150th meridian west; used in Hawaii and the western Aleutian Islands
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