periodic system

[ peer-ee-od-ik, peer- ]

noun

, Chemistry.

1. a system of classification of the elements based on the periodic law.

periodic system

/ ˌpɪərɪˈɒdɪk /

noun

1. the classification of the elements based on the periodic law

Word History and Origins

Origin of periodic system¹

First recorded in 1870–75

Example Sentences

These metals ranged from calcium to zinc in the Periodic System.

From Project Gutenberg

For many years the periodic system was considered closed at 92.

From Project Gutenberg

The X-ray method gives the order as iron, cobalt, and nickel, and this is the accepted order in the Periodic System.

From Project Gutenberg