- A law stating that the elements, when listed in order of their atomic numbers, fall into recurring groups, so that elements with similar properties occur at regular intervals.More example sentences
- His discovery of the periodic law in the late 1860s was a remarkable accomplishment.
- This site provides details about him and his major achievement, with the discovery of periodic law and the table.
More definitions of periodic lawDefinition of periodic law in:
- The US English dictionary