The Collaborative International Dictionary of English v.0.48:
Multiplicity \Mul`ti*plic"ity\, n. [Cf. F. multiplicit['e].] The quality of being multiple, manifold, or various; a state of being many; a multitude; as, a multiplicity of thoughts or objects. "A multiplicity of goods." --South. [1913 Webster]WordNet (r) 3.0 (2006):
multiplicity n 1: the property of being multiple 2: a large number [syn: numerousness, numerosity, multiplicity]