billion years

word

Meaning

No dictionary definition has been added for "billion years" yet.

Etymology / origin

No prose etymology has been added yet.

No ancestor words have been linked yet.

Related words

giga-(English)femtosecond(English)nanosecond(English)tera-(English)light year(English)billion(English)light-year(English)hubble time(English)

Descendant words

No descendant words have been linked yet.

Sources

No citations have been attached yet.

billion years — meaning and etymology | WikiWord