American English

How to pronounce billion

noun · determinerB1Common word
BIHLyn

/ˈbɪl.jn̩/

2 syllables · Stress the first syllable.

The number 1,000,000,000.

Practice out loud

Meanings & examples

noun

The number 1,000,000,000.

The company is worth a billion dollars.

Billions of stars are in the galaxy.

Good to know

In American English, a billion is 1,000,000,000. Spanish billón usually means 1,000,000,000,000, so use mil millones for this word.

Common phrases & grammar

a billion dollars · a billion people · billions of dollars · one billion years

a billion + noun

billions of + plural noun

determiner

Used before a plural noun to say that there are 1,000,000,000 of something.

A billion people use the internet.

The country has two billion tons of coal.

Common phrases & grammar

billion people · billion dollars · billion tons · billion years

a billion + plural noun

two billion + plural noun

Useful expressions

billions of

a very large number of

Billions of people watched the event.

Related words & forms