NINETIETHS

Noun

ninetieths

plural of ninetieth

Source: Wiktionary

NINETIETH

Nine"ti*eth, a.

1. Next in order after the eighty-ninth.

2. Constituting or being one of ninety equal parts.

Nine"ti*eth, n.

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.

Source: Webster’s Unabridged Dictionary 1913 Edition