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Webster 1913 Edition
Ninetieth
Nine′ti-eth
,Adj.
1.
Next in order after the eighty-ninth.
2.
Constituting or being one of ninety equal parts.
Nine′ti-eth
,Noun.
1.
The quotient of a unit divided by ninety; one of ninety equal parts of anything.
2.
The next in order after the eighty-ninth.
Webster 1828 Edition
Ninetieth
NI'NETIETH
,Adj.