gigayear
gigayear · gigayears
A billion years: a thousand million years, that is, a thousand thousand thousand yearsA billion years: a thousand million years, that is, a thousand thousand thousand years.
Meaning
1 sensesA billion years: a thousand million years, that is, a thousand thousand thousand years.
Holonyms: exasecond < zettasecond < yottasecond < ronnasecond < quettasecond