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Dictionary

pe•ri•od•i•cal

Pronunciation: (pēr"ē-od'i-kul), [key]
—n.
a magazine or other journal that is issued at regularly recurring intervals.

—adj.
1. published at regularly recurring intervals.
2. of or pertaining to such publications.
3. periodic¹.

periodic acid

periodic function

See also:

periodical (Thesaurus)
periodical (Encyclopedia)

Dictionary

pe•ri•od•i•cal

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