Definitions of eighty

  1. the cardinal number that is the product of ten and eight
  2. A symbol representing eighty units, or ten eight times repeated, as 80 or lxxx.
  3. The number consisting of the sum of eight tens; a sign representing eighty units, as 80 or lxxx.
  4. Eight times ten.
  5. Consisting of ten more than seventy.
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