Top Definition
The green slime in fusionfall that Planet Fusion, Lord Fuse, fusion monsters and fusions are made of. it is also used to create Nanos and is commonly found all over the game, most commonly in infected zones... oh, and being on fusion-matter covered floors can drain your health...
player: dammit, why does there have to be so much fusion matter here?!
by qwertypizza April 23, 2010

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