1. A unit of information equal to 1024 mebibytes or 2^30 (1,073,741,824) bytes
   "The hard drive had a capacity of 500 GBs";
   - gigabyte, gibibyte, G, GiB, gig [informal]
    
2. A highly toxic chemical nerve agent that inhibits the activity of cholinesterase
   - sarin
    
3. A unit of information equal to 1000 megabytes or 10^9 (1,000,000,000) bytes
   "The new hard drive had a capacity of 500 GBs";
   - gigabyte, G, gig [informal]
    
4. An island comprising England and Scotland and Wales
   - Great Britain

1. A unit of information equal to 1000 megabits or 10^9 (1,000,000,000) bits
   "The new fibre optic network offered Gb speeds";
   - gigabit, Gbit
    
2. A unit of magnetomotive force equal to 0.7958 ampere-turns
   - gilbert, Gi

Derived forms: GBs, Gbs

Type of: computer memory unit, G agent, G-series agent, G-series nerve agent, island, magnetomotive force unit, organophosphate nerve agent

Part of: British Isles, TB, Tbit, tebibyte, terabit, terabyte, TiB

Encyclopedia: GB