Waste, garbage, disposal, or trash were common terms for unusable materials and substances.
On an NX-class starship almost everything was broken into its molecules and recycled including waste. This was done by the bio-matter resequencer. (ENT: "Breaking the Ice")
The outer layer of a space amoeba encountered by the USS Enterprise in 2268 consisted of space debris and waste. (TOS: "The Immunity Syndrome")
The Waste export industry was a powerful and profitable business within the Malon society. They employed waste controllers. (VOY: "Night", "Extreme Risk", "Juggernaut")
The waste processor was an occupation known to the Jye. (VOY: "Critical Care") On Earth they were called garbage men and aboard starships sanitation engineers. (Star Trek IV: The Voyage Home; ENT: "Breaking the Ice")
Types 
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Technology Edit
- Disposal tube
- Garbage barge
- Garbage can
- Garbage scow
- Garbage truck
- Organic waste bag
- Radioactive disposal vent
- Sewer
- Toilet
- Waste disposal unit
- Waste extraction system
- Waste transfer barge
- Water and solid waste recycling subsystem
