He maramara tino iti o tētahi matū. He kupu whānui tēnei e hāngai ana ki te ngota, te katote me te rāpoi ngota. Ko te ariā korakora tētahi ariā matua i roto i te pūtaiao, e mea ana ko ngā momo matū katoa ka hangaia ki te korakora.
An extremely small piece of matter. A general term which can be applied to an atom, an ion or a molecule. The particle theory is a central scientific theory which posits that all matter is made up of particles.