English · Word Candidate

billion

/ˈbɪljən/

Proposed by a contributor, not yet supported by evidence.

Also seen as: billions

Sense 1

Both English Tiếng Việt

Meaning · English

Either of two large amounts: — a thousand million (logic: 1,000 × 1,000²): 1 followed by nine zeros, 10⁹.

Nghĩa · Tiếng Việt

một ngàn triệu

Machine-translated — suggest a fix

NumeralRegister: US

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

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Both English Tiếng Việt

Meaning · English

Either of two large amounts: — A million (times a) million (logic: 1,000,000²): a 1 followed by twelve zeros (10¹²); a thousand milliard.

Nghĩa · Tiếng Việt

một triệu triệu

Machine-translated — suggest a fix

NumeralRegister: dated

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

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

What does “billion” mean?

Either of two large amounts: — a thousand million (logic: 1,000 × 1,000²): 1 followed by nine zeros, 10⁹.

Is “billion” formal or informal?

billion is generally US.