quadrillion

Pronunciation

• IPA ^(key): /kwɒˈdrɪɫjən/

• Audio (US)

  (file)

Determiner

Determiner quadrillion

1. (number) (ordinal quadrillionth) The number 1,000,000,000,000,000 (or 1,000,000,000,000,000,000,000,000 in old British usage).

Noun

Singular quadrillion

Plural quadrillions

1. (countable) The number 1,000,000,000,000,000 (or 1,000,000,000,000,000,000,000,000 in old British usage).

   Quadrillions of dollars have been spent on the war in Iraq.