eighty-ninth

[ ey-tee-nahynth ]
/ ˈeɪ tiˈnaɪnθ /

adjective

next after the eighty-eighth; being the ordinal number for 89.
being one of 89 equal parts.

noun

an eighty-ninth part, especially of one (1/89).
the eighty-ninth member of a series.

Example sentences from the Web for eighty-ninth