A crystaline structure which has radioactive properties. Also can be used as a form of currency if mined and handled properly. Can be used as a weapon if mined and liquified. Has startling regrowth properties which make it particularly hard to control. The Scrin have a building which can increase regrowth rate of Tiberium. There are two known colors, green and a light blue color. Tiberium can be primarily found in the Command & Conquer Tiberium series.
Stay away from that tiberium if you value your life.
by zukazamme June 01, 2007
The place that does not exist
I am going to visit Tiberia and fist Evil Steve's ass.
by Raven March 05, 2005

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