Simple Definition of billion
: the number 1,000,000,000 : one thousand million
: a very large amount or number
: the number 1,000,000,000,000
Examples of billion
We could see a billion stars in the sky.
Origin of billion
French, from bi- + -illion (as in million)
First Known Use: 1834
BILLION Defined for Kids
Definition of billion
1 : a thousand millions
2 : a very large number <billions of stars>
Seen and Heard
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