Gem

Gem generally refers to a gemstone, a cut rock or mineral. It can also refer to:

Aircraft

Rolls-Royce Gem, a helicopter engine made by Rolls-Royce

Computers and software

A package format of the RubyGems package manager for the Ruby programming language library
Graphical Environment Manager, a windowing system created by Digital Research
GEM metafile for the Digital Research Graphical Environment Manager
Graphics Execution Manager, a modern memory manager specialized for use in device drivers for graphics chipsets

Economy

Growth Enterprise Market, a stock market for growth companies in Hong Kong

Insects

Gem (moth), a moth of the family Geometridae

Music

G.E.M., a Hong Kong Singer
Gem (band), an indie rock band from the Netherlands
Gem Archer, of British rock group oasis
Gem, a group who performed in the 1981 Song for Europe, later renamed Paris, led by Andy Hill (composer)
g.e.m., a project of Japanese singer-songwriter Megumi Hinata and Akimitsu Honma

Places

Gem, California, a former settlement in the United States
Gem, Indiana, a small town in the United States
Gem, Kansas, a small town in the United States

Publications

The Gem, an early 20th century British story paper

Scientific abbreviations

Gemini (constellation); "Gem" is the standard astronomical abbreviation
A geminal compound in chemistry
Gas Electron Multiplier; A detector for ionizing radiation.
"GEM" abbreviation for "German equatorial mount" in telescope Equatorial mounts

Ships

USS Gem (SP-41), a United States Navy patrol vessel in commission from 1917 to 1919
USS Gem of the Sea (1861), a United States Navy bark in commission from 1861 to 1865

Television

"Gem," the 12th episode of the only season of the series The Inside; see List of The Inside episodes

Translation of "Gem"

Swedish: gem.