Last Updated：2025/11/19

(US, modern British & Australian, short scale) a thousand million (logic: 1,000 × 1,000^2): 1 followed by nine zeros, 10⁹; a milliard

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billion

Source Word

billion

IPA(Pronunciation)

US dated colloquial excessive

Japanese Meaning

十億

The startup raised a billion dollars in its latest funding round.

そのスタートアップは最新の資金調達で10億ドルを調達した。

Sense（1）

At the last assessment it [the national debt] amounts to seven billion pounds (£7,000,000,000).

Sense（2）

(dated, British & Australian, long scale) A million million (logic: 1,000,000^2): a 1 followed by twelve zeros; 10¹²

n = 1,000,000,000,000, that is, = a billion, or the square of a million

Sense（3）

(colloquial, hyperbolic) An unspecified very large number.

There were billions of people at the concert.

billions

（ plural ）