an island comprising England and Scotland and Wales | an island comprising England and Scotland and Wales |
a monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland; `Great Britain' is often used loosely to refer to the United Kingdom | a unit of information equal to 1024 mebibytes or 2^30 (1,073,741,824) bytes |
| a unit of information equal to 1000 megabytes or 10^9 (1,000,000,000) bytes |
| a highly toxic chemical nerve agent that inhibits the activity of cholinesterase |