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Definition of "quadrillion" []

  • The cardinal number equal to 1015. (noun)
  • Chiefly British Septillion. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "quadrillion" in a sentence
  • "A quadrillion is equal to 1,000 billion, written as a one followed by 15 zeroes."
  • "The statement of two quadrillion is right up there with every other lie, disinformation and irrational statement of the CONservative inaccuracy machine."
  • "In the American system, a quadrillion is a million billion."