/ Dictionary / Index P periodization: Meaning and Definition of Find definitions for: pe•ri•od•i•za•tion Pronunciation: (pēr"ē-u-du-zā'shun), [key] — n. an act or instance of dividing a subject into historical eras for purposes of analysis and study. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. periodide period-luminosity relation Related Content Daily Word Quiz: pugilist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language