definition of
Gb

[1] #1 Gb n. [sarin, GB] a highly toxic chemical nerve agent that inhibits the activity of cholinesterase. wn

[2] #2 Gb n. [gilbert, Gi] a unit of magnetomotive force equal to 0.7958 ampere-turns. wn

[3] #3 Gb n. [gigabit, Gbit] a unit of information equal to 1000 megabits or 10^9 (1,000,000,000) bits. wn

[4] #4 Gb n. [gigabyte, G, GB] a unit of information equal to 1000 megabytes or 10^9 (1,000,000,000) bytes. wn

[5] #5 Gb n. [gigabyte, gibibyte, G, GB, GiB] a unit of information equal to 1024 mebibytes or 2^30 (1,073,741,824) bytes. wn