He tukanga ōkiko e mahora ai ngā korakora o te matūmeha i waenganui i ngā korakora tāmeha. I te nuinga o te wā, ko te wai te tāmeha, ko tētahi pūhui totoka te matūmeha.
A physical process by which the particles of a solute become spread out amongst the particles of a solvent. Most of the time water is used as a solvent and solid compounds as solutes.