GC is an abbreviation that can mean different things depending on the context. Learn the definitions and examples of GC as Group Chat, Good Condition, Good Call, Gay Couple, and Garbage Collect. What is gas chromatography (GC). How does it work to separate compounds. What is retention time. Which detectors are applied. What are the uses of gas chromatography. It was actually a surpisingly close game. After they won though, the akshan on the other team said 'ez gc'. I made the mistake of looking up what 'gc' means, and in the context of league it means 'get cancer'. I know it's thrown around in gaming, but as someone whose been closely affected by cancer this shit ain't funny. Just a small rant, I know it won't change anything but I hate that I went for a casual game of aram and came out feeling shitty because of something someone said. Share Sort ... Gas chromatography definition. Principle, Working, Parts, Uses, Applications, Advantages and Limitations of Gas Chromatography.