periodesystem

== Norwegian Bokmål == === Alternative forms === periodisk system (det periodiske systemet) === Etymology === From periode +‎ system. === Noun === periodesystem n (definite singular periodesystemet) periodic table (chart of the chemical elements by atomic number) == Norwegian Nynorsk == === Alternative forms === periodisk system (det periodiske systemet) === Etymology === From periode +‎ system. === Noun === periodesystem n (definite singular periodesystemet) periodic table (as above)