gb

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

a unit of magnetomotive force equal to 0.7958 ampere-turns

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

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

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

an island comprising England and Scotland and Wales