Eighty
/ˈeɪti/
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Definition
(num) The cardinal number occurring after seventy-nine and before eighty-one, represented in Roman numerals as LXXX and in Arabic numerals as 80.
Sentence Examples
Halley's Comet comes round once every eighty years.
The lady is over eighty.
CEFR Practice Quiz
Halley's Comet comes round once every ____ years.