sparticle
n.β Β«Among the many possibilities proposed for whatβs often called βnew physicsβ is that the universe actually consists of tiny strands (or strings) of energy; that it contains several dimensions beyond those that we perceive; that it is full of mysterious particlesββsparticlesββthat have yet to be detected; that it is not a universe at all but a multiverse; and that it began not with a bang but with a splat.Β» ββCrash Course” by Elizabeth Kolbert New Yorker May 14, 2007. (source: Double-Tongued Dictionary)