Definition of "GB"
GB
symbol
(computing, formal) Abbreviation of gigabyte.
(computing, informal) Abbreviation of gibibyte.
noun
plural GBs
(anatomy) Initialism of gallbladder.
(informal, pharmacology) Initialism of goofball (“barbiturate”).
(crystallography) Initialism of grain boundary.
proper noun
(linguistics) Initialism of Government and Binding.
phrase
(Internet slang) Initialism of God bless.