seventy-eighth

American  

[sev-uhn-tee-eytth, -eyth] / ˈsɛv ən tiˈeɪtθ, -ˈeɪθ /

adjective

1. next after the seventy-seventh; being the ordinal number for 78.

2. being one of 78 equal parts.

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noun

1. a seventy-eighth part, especially of one (1/78).

2. the seventy-eighth member of a series.

Example Sentences

This past January, I flew back to Prairie View for my mother’s seventy-eighth birthday.

From The New Yorker • Jul. 13, 2016

Galileo died peacefully in his sleep on the night of 8/9 January 1642, a few weeks short of his seventy-eighth birthday.

From "The Scientists" by John Gribbin

“I read in the paper the other day that a man from Portland hiked Katahdin to celebrate his seventy-eighth birthday,” she said conversationally.

From "A Walk in the Woods" by Bill Bryson

In the spring of 1880, when in his seventy-eighth year, he was overtaken by darkness, and, not being able to reach his cottage, was compelled to remain all night in the marsh.

From The Story of My Life Being Reminiscences of Sixty Years' Public Service in Canada by Hodgins, J. George (John George)

He was Rector of Christ Church upwards of fifty-one years, and died August 24, in the seventy-eighth year of his age, and in the year of Our Lord 1681.

From Notes and Queries, Number 71, March 8, 1851 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc. by Bell, George