Home › Words › M › microcompositemicrocompositemicrocomposite · noun — any composite material one or more of whose components is some form of microparticle.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom micro- + composite.nounAny composite material one or more of whose components is some form of microparticleDefinitions & examples from Wiktionary (CC BY-SA 3.0).