Seventy-eight
noun, num
noun, num ·Rare ·Advanced level
Definitions
Noun
- 1 A gramophone record designed to be rotated at 78 revolutions per minute; a 78
- 2 a shellac based phonograph record that played at 78 revolutions per minute wordnet
- 3 the cardinal number that is the sum of seventy and eight wordnet
Adjective
- 1 being eight more than seventy wordnet
Numeral
- 1 The cardinal number immediately following seventy-seven and preceding seventy-nine.
Example
More examples"But space junk falling on housetops is not the biggest worry. Scientists are concerned about the “Kessler” syndrome. It is named for the American scientist who first thought of the idea in nineteen seventy-eight. Imagine what happens when an empty rocket strikes another while orbiting the earth. Two big things become many smaller things. They then hit other things. The pieces get smaller and smaller until they form a cloud of junk that blocks the path of future space vehicles."
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.