[ peer-ee-uh-dis-i-tee ]
/ ˌpɪər i əˈdɪs ɪ ti /


the character of being periodic; the tendency to recur at regular intervals.

Origin of periodicity

From the French word périodicité, dating back to 1825–35. See periodic1, -ity Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for periodicity

Medicine definitions for periodicity


[ pîr′ē-ə-dĭsĭ-tē ]


The quality or state of being periodic; recurrence at regular intervals.
The tendency of chemical elements to have similar properties when arranged according to their atomic number.
The position of an element in the periodic table.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.