Skip to definition.
Get the FREE one-click dictionary software for Windows.
NEW iPhone Audio English dictionary


Noun: gigayear
  1. (cosmology) one billion (10^9) years
    "the universe is approximately 14 gigayears old"

Encyclopedia: Gigayear

Nearest

gigacycle
gigacycle per second
gigaelectron volt
gigaflop
gigahertz
gigantic
gigantically
gigantism
Gigartinaceae
gigawatt
gigayear
giggle
giggler
giggly
GIGO
gigolo
gigot
gigue
Gikuyu
Gila
Gila Desert