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Definition of Periodic law
1. Noun. (chemistry) the principle that chemical properties of the elements are periodic functions of their atomic numbers.
Exact synonyms: Mendeleev's Law
Generic synonyms: Law, Law Of Nature
Category relationships: Chemical Science, Chemistry
Generic synonyms: Law, Law Of Nature
Category relationships: Chemical Science, Chemistry
Medical Definition of Periodic law
1. The properties of elements are periodical functions of their atomic weights; i.e., if the elements are arranged in the order of their atomic weights, every element in the series will be related in respect to its properties to the eighth in order before or after it. Synonym: periodic law. (05 Mar 2000)