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billion

[ bil-yuhn ]

noun

, plural bil·lions, (as after a numeral) bil·lion.
  1. a cardinal number represented in the U.S. by 1 followed by 9 zeros, and in Great Britain by 1 followed by 12 zeros.
  2. a very large number:

    I've told you so billions of times.



adjective

  1. equal in number to a billion.

billion

/ ˈbɪljən /

noun

  1. one thousand million: it is written as 1 000 000 000 or 10 9
  2. (formerly, in Britain) one million million: it is written as 1 000 000 000 000 or 10 12
  3. often plural any exceptionally large number


determiner

  1. preceded by a or a cardinal number
    1. amounting to a billion

      it seems like a billion years ago

    2. ( as pronoun )

      we have a billion here

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Derived Forms

  • ˈbillionth, adjectivenoun

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Other Words From

  • billionth adjective noun

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Word History and Origins

Origin of billion1

1680–90; < French, equivalent to b ( i )- bi- 1 + -illion, as in million

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Word History and Origins

Origin of billion1

C17: from French, from bi- 1+ -llion as in million

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Compare Meanings

How does billion compare to similar and commonly confused words? Explore the most common comparisons:

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Example Sentences

Moderna had promised to make up to a billion doses during 2021.

At just a few parts per billion—a range similar to our natural noses—the biohybrid “nose” was able to reliably pick up the smell, with over 90 percent accuracy.

In the world of Big Tech there has long been a important obsession about getting the internet to the “next billion” people.

From Quartz

Even a few hundred billion galaxies means there’s an entire galaxy out there for every star in the Milky Way.

A former financier with the multi-billion dollar investment firm, Citadel, Hathiramani sees Flockjay, and the business of tech sales as a way for a number of people to transform their lives.

Using standard methods, the cost of printing DNA could run upwards of a billion dollars or more, depending on the strand.

And as a bonus, they send home more than $20 billion in remittances each year.

The amount of vanished bitcoins was 650,000 BTC (or 24.7 billion yen).

Why else would $4 billion have been spent on the midterm election?

Among other things, the bill appropriates $1.1 trillion in funding—including over $550 billion for the Department of Defense.

Expenditure for new manufacturing plant and equipment exceeded one billion dollars in one recent seven-year period.

He had never imagined wild flowers by the billion, nor such a harmonious variety of color.

Oh, it's worth a billion milrays to look upon a live person again!

Well, I'll just bet you a million billion dollars He can't make a trolley car go in two directions at the same time.

"Over three and a half billion eggs and small fish were distributed last year, if I remember rightly," was the reply.

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Billings methodbillionaire