seventy-eighth

From seventy-eight +‎ -th (ordinal suffix).

• IPA^(key): /ˌsɛvənti ˈeɪ(t)θ/

seventy-eighth

1. The ordinal form of the number seventy-eight, describing a person or thing in position number 78 of a sequence.

   The answer appears on the seventy-eighth page of the book.

   She finished seventy-eighth in the race.

English ordinal numbers may function as either an adjective or as a noun, and almost never appear in the plural.

• 78th, 78^th

seventy-eighth (plural seventy-eighths)

1. One of seventy-eight equal parts of a whole.

   A seventy-eighth of 1560 is 20.

• eighty-seventh