Physicists are quite good at retro-fitting acronyms. But Jimmy knows, it has its limits.
Particle physics projects come in two types. There are the fancy names, and the tedious acronyms. Sometimes they are both.
LHC (or The LHC) is obviously in the second category. Large Hadron Collider. Does what it says on the tin, as long as you realise the hadrons are small, and spell them correctly.
Read more at The Guardian. See also Chapter 3.6 of Smashing Physics.