quadrillion
[ kwo-dril-yuhn ]
/ kwɒˈdrɪl yən /
Save This Word!
noun, plural quad·ril·lions, (as after a numeral) quad·ril·lion.
a cardinal number represented in the U.S. by 1 followed by 15 zeros, and in Great Britain by 1 followed by 24 zeros.
adjective
amounting to one quadrillion in number.
QUIZZES
QUIZ YOURSELF ON "WAS" VS. "WERE"!
Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.
Question 1 of 7
“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.
Meet Grammar Coach
Improve Your Writing
Origin of quadrillion
OTHER WORDS FROM quadrillion
quad·ril·lionth, noun, adjectiveWords nearby quadrillion
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for quadrillion
British Dictionary definitions for quadrillion
quadrillion
/ (kwɒˈdrɪljən) /
noun
(in Britain) the number represented as one followed by 24 zeros (10 24)US and Canadian word: septillion
(in the US and Canada) the number represented as one followed by 15 zeros (10 15)
determiner
- amounting to this numbera quadrillion atoms
- (as pronoun)a quadrillion
Derived forms of quadrillion
quadrillionth, adjectiveWord Origin for quadrillion
C17: from French quadrillon, from quadri- + -illion, on the model of million
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