Definition of GIGAYEAR

gigayear

Meanings

Plural: gigayears

Noun

  • A billion years: a thousand million years, that is, a thousand thousand thousand years.

Origin / Etymology

From giga- + year.

Synonyms

Ga, giga-annum, gigaannum

Scrabble Score: 0

gigayear is not valid in Scrabble (US) TWL Dictionary
gigayear is not valid in Scrabble (MW) Merriam-Webster Dictionary
gigayear is not valid in International Collins CSW Dictionary

Words With Friends Score: 0

gigayear is not valid in Words With Friends