billion years

English - English

Definition of billion years in English English dictionary

b.y

Hyphenation

bil·lion years

Turkish pronunciation

bîlyın yırz

Pronunciation

/ˈbəlyən yərz/ /ˈbɪljən jɜrz/

Videos

... lt has taken us on a journey of nearly 14 billion years. ...

... 4.4 billion years ago. ...