Gb

noun

1. 1

   an island comprising England and Scotland and Wales

2. 2

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

3. 3

   a unit of magnetomotive force equal to 0.7958 ampere-turns

4. 4

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

5. 5

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

6. 6

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