Ko te huringa ohorere o ngā karihi o ngā ngota o tētahi matū. Ka puta he pūngao hihi hei korakora ārepa, hei korakora peta, hei hihinga kama rānei.
Spontaneous change of the nuclei of the atoms in a particular substance. Energy is radiated as alpha or beta particles, or in the form of gamma radiation.
ira (iraoho - proton, iramoe - neutron, irahiko - electon) - particle
ruke (rukeruke) - throw about, cast forth, discharge
He aha ētahi o ngā pūmotu he tino kaha nei te iraruke?
Rārangihia mai ngā whakamahinga whaihua o te iraruke, me ngā whakamahinga kino.
Whakamahia ai he tukanga iraruke i rō hohipera hei rongoā mō te mate pukupuku, i ngā pūrere tirotiro ki roto i te tinana hoki.