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seventy

American  
[sev-uhn-tee] / ˈsɛv ən ti /

noun

plural

seventies
  1. a cardinal number, 10 times 7.

  2. a symbol for this number, as 70 or LXX.

  3. a set of this many persons or things.

  4. seventies, the numbers, years, degrees, or the like from 70 through 79, as in referring to numbered streets, indicating the years of a lifetime or of a century, or referring to degrees of temperature.

    They live in the Seventies. His uncle is in his early seventies. It was in the seventies yesterday.

  5. the Seventy, the body of scholars who produced the Septuagint.


adjective

  1. amounting to 70 in number.

seventy British  
/ ˈsɛvəntɪ /

noun

  1. the cardinal number that is the product of ten and seven See also number

  2. a numeral, 70, LXX, etc, representing this number

  3. (plural) the numbers 70–79, esp the 70th to the 79th year of a person's life or of a particular century

  4. the amount or quantity that is seven times as big as ten

  5. something represented by, representing, or consisting of 70 units

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

determiner

    1. amounting to seventy

      the seventy varieties of fabric

    2. ( as pronoun )

      to invite seventy to the wedding

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of seventy

1150–1200; Middle English; Old English seofontig. See seven, -ty 1