EFX was a Las Vegas production show residing at the MGM Grand Hotel & Casino from 1995 until 2002. When it premiered, it was the most expensive and largest scaled theatre installation in the world. A significant entertainment landmark of the strip for nearly 8 years, it was known for headlining a new star every 2 years who were Michael Crawford, David Cassidy, Tommy Tune and Rick Springfield.

An abbreviation for Effects.

effect/s (as in special effects). Also called FX

this abbreviation literally stands for "effects." These sounds are isolated sounds for a specific use. An example would be an explosion, door closing, or human foley (footsteps, a sneeze, baby sounds, etc.).

NCE calls