ninety definition

  • noun:
    • The cardinal number add up to 9 × 10.
    • A decade or even the numbers from 90 to 99: My grandparents have been in their particular nineties. During heat wave, the temperature remained inside 1990s.
    • The decade from 90 to 99 in a century.
    • The cardinal number occurring after eighty-nine and before ninety-one, represented in Roman numerals as XC and in Arabic numerals as 90.
    • the sum nine times ten; the quantity greater by a unit than eighty-nine; ninety devices or things.
    • symbolic representing ninety products, as 90 or xc.
    • the sum of the ten nines, or nine tens; nine times ten.
    • symbolic representing ninety units, as 90, or XC, or xc.
    • the cardinal quantity that is the product of ten and nine
  • adjective:
    • Nine times ten; eighty-nine and another more.
    • being ten over eighty
  • others:
    • Nine times ten; one more than eighty-nine, or ten not as much as a hundred: a cardinal numeral.

Related Sources

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