Longman Dictionary of Contemporary English homepage

Date: 1600-1700
Language: French
Origin: tri- 'three' + -illion (as in million)

trillion

 number
     
Related topics: Numbers
tril‧lion plural trillion or trillions
1HMN the number 1,000,000,000,000:
In a short time the number of cells is more than a trillion.
two/three/four etc trillion
$5.3 trillion
Japan's exports were worth $43 trillion last year.
trillions of pounds/dollars etc
the trillions of dollars in the bond markets
2 informal an extremely large number of people or things
a trillion
a shirt with a trillion holes in it
trillions of
We've made this mistake trillions of times before.
3 British English old use the number 1,000,000,000,000,000,000
—trillionth adjective
—trillionth noun [countable]
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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