Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The cardinal number equal to 1024.
  • noun Chiefly British The cardinal number equal to 1042.

from The Century Dictionary.

  • noun In the British system of numeration, a million raised to the seventh power; a number expressed by unity followed by forty-two ciphers.
  • noun In the French numeration, generally taught in the United States, the eighth power of a thousand; a thousand sextillions.
  • noun The cardinal numeral obtained from a septillion: used like hundred.

from the GNU version of the Collaborative International Dictionary of English.

  • noun According to the French method of numeration (which is followed also in the United States), the number expressed by a unit with twenty-four ciphers annexed. According to the English method, the number expressed by a unit with forty-two ciphers annexed. See numeration.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A trillion trillion: 1 followed by 24 zeros, 1024.
  • noun A billion quintillion: 1 followed by 42 zeros, 1042.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the number that is represented as a one followed by 24 zeros

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[French : Latin septem, seven; see septet + French -illion (as in million, million, from Old French milion; see million).]

from Wiktionary, Creative Commons Attribution/Share-Alike License

septi- (“seven”) + -illion

Examples

Comments

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  • n. The cardinal number equal to 1024.

    n. Chiefly British The cardinal number equal to 1042.

    A trillion trillion: 1 followed by 24 zeros, 1024.

    A billion quintillion: 1 followed by 42 zeros, 1042.

    (OCR errors in the definitions)

    Nothing adds up for me lately.

    December 31, 2011