: the number 1,000,000,000,000 : one thousand billion
: a very large amount or number
: the number 1,000,000,000,000,000,000 : one million million million
What made you want to look up trillion? Please tell us where you read or heard it (including the quote, if possible).
Take Our 10-Question Quiz
The commonly misspelled words quiz
How strong is your vocabulary?
The Vocab Quiz Game for iPhone & iPad
"Incredibly fun and addictive. And informative!" User Review, iTunes