1. seventy-eighth - Noun
2. seventy-eighth - Adjective
seventy-eighth
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.
seventy-eighth (plural seventy-eighths)
One of seventy-eight equal parts of a whole.
A seventy-eighth of 1560 is 20.