sarin, GB(noun)

a highly toxic chemical nerve agent that inhibits the activity of cholinesterase

gilbert, Gb, Gi(noun)

a unit of magnetomotive force equal to 0.7958 ampere-turns

gigabit, Gbit, Gb(noun)

a unit of information equal to 1000 megabits or 10^9 (1,000,000,000) bits

gigabyte, G, GB(noun)

a unit of information equal to 1000 megabytes or 10^9 (1,000,000,000) bytes

gigabyte, gibibyte, G, GB, GiB(noun)

a unit of information equal to 1024 mebibytes or 2^30 (1,073,741,824) bytes

Great Britain, GB(noun)

an island comprising England and Scotland and Wales

GB(abbreviation)ɪz

gigabyte; a unit for measuring computer memory or storage

a 500 GB hard disk

GBɪz

Great Britain

***a car with GB on the bumper