particle Synonyms

molecule speck atom subatomic particle mote splinter fraction grain granule fragment crumb corpuscle bit piece shard sliver thimbleful shaving tittle touch spark scruple unit whit wisp acarid tatter sherd syllable perfect participle snippet speckle smithereens spoonful sporule squama suggestion shred suspicion spot trace isotope nonionic nonpolar proton dollop bits p-word past participle photon