Trillion Definition

trĭlyən
trillions
noun
trillions
The number represented by 1 followed by 12 zeros.
Webster's New World
The cardinal number equal to 1018 .
American Heritage
The number represented by 1 followed by 18 zeros.
Webster's New World
An indefinite but very large number.
Webster's New World
Synonyms:
adjective
Amounting to one trillion in number.
Webster's New World
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Other Word Forms of Trillion

Noun

Singular:
trillion
Plural:
trillions

Origin of Trillion

  • French tri- third power (from Latin tri- tri-) (m)illion million (from Old French milion million)

    From American Heritage Dictionary of the English Language, 5th Edition

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