next after the seventy-seventh; being the ordinal number for 78.
being one of 78 equal parts.
a seventy-eighth part, especially of one (1/78).
the seventy-eighth member of a series.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use seventy-eighth in a sentence
He was in his seventy-eighth year when he passed away—wherefore in his last days he must have been "a mine of memories."Shadows of the Stage | William Winter
He died in his seventy-eighth year an obscure recluse whose works were all but forgotten.The Life of George Borrow | Clement K. Shorter
To Tintoret's great grief, this daughter died as she was thirty years of age, and her father was in his seventy-eighth year.The Old Masters and Their Pictures | Sarah Tytler
Seventy-seventh week, runs around table; seventy-eighth, walks over threshold without holding on .The Mind of the Child, Part II | W. Preyer
White survived him many years, and died in the seventy-eighth year of his age, 1707.