Coming last of a hundred successive individuals or units. [1913 Webster]
Forming one of a hundred equal parts into which anything is divided; the tenth of a tenth. [1913 Webster]

hundredth, n.

One of a hundred equal parts into which one whole is, or may be, divided; the quotient of a unit divided by a hundred. [1913 Webster]

top

ROGET THESAURUS

hundredth

Five

N five, five, cinque, quint, quincux, six, half-a- dozen, half dozen, seven, eight, nine, three times three, dicker, ten, decade, eleven, twelve, dozen, thirteen, long dozen, baker's dozen, quintuplet, twenty, score, twenty-four, four and twenty, two dozen, twenty-five, five and twenty, quarter of a hundred, forty, two score, fifty, half a hundred, sixty, three score, seventy, three score and ten, eighty, four score, ninety, fourscore and ten, sestiad, hundred, centenary, hecatomb, century, hundredweight, cwt, one hundred and forty-four, gross, thousand, chiliad, millennium, thousand years, grand, myriad, ten thousand, ban, man, ten thousand years, banzai, lac, one hundred thousand, plum, million, thousand million, milliard, billion, trillion, five, quinary, quintuple, fifth, senary, sextuple, sixth, seventh, septuple, octuple, eighth, ninefold, ninth, tenfold, decimal, denary, decuple, tenth, eleventh, duodenary, duodenal, twelfth, in one's 'teens, thirteenth, vicesimal, vigesimal, twentieth, twenty-fourth, vicenary, vicennial, centuple, centuplicate, centennial, centenary, centurial, secular, hundredth, thousandth.

Quinquesection

N quinquesection, &c, division by five, quinquesection, decimation, fifth, quinquefid, quinquelateral, quinquepartite, quinqevalent, pentavalent, quinquarticular, octifid, decimal, tenth, tithe, duodecimal, twelfth, sexagesimal, sexagenary, hundredth, centesimal, millesimal.

For further exploring for "hundredth" in Webster Dictionary Online