Cite
 

Dictionary


pe'ri•od'ic sys'tem



Pronunciation: (pēr'ē-od'ik, pēr"-), [key] Chem.
a system of classification of the elements based on the periodic law.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

periodic sentenceperiodic table

 

Related Content