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periodic definition

pe·ri·odic (pir′ē äd′ik)

adjective

  1. occurring, appearing, or recurring at regular intervals a periodic fever
  2. occurring from time to time; intermittent
  3. of or characterized by periods the periodic motion of a planet
  4. of, characterized by, or expressed in periodic sentences

Etymology: MFr periodique < L periodicus < Gr periodikos

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Alternate definitions:

medical periodic definition - medical

periodic Synonyms

periodic

modif.

intermittent, periodical, recurrent, cyclic; see intermittent. See syn. study at intermittent.


Webster's New World Roget's A-Z Thesaurus Copyright © 1999 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

periodic Usage Examples

Preposition: in

  • direction: If a minimal surface has space group symmetry, it is periodic in three independent directions.

Modifies a noun

  • orbit: In addition the mechanism of control for periodic orbits is now quite well understood [ 2 ] .

Modifying Another Word

  • triply: The triply periodic structure is generated by reflections in the faces of the rhombic dodecahedron.

Used with adjective complement

  • have: Lip-reading is very tiring: students may need to have periodic rests.
periodic usage examples (more)

The word usage examples above have been gathered from various sources to reflect current and historical usage. They do not represent the opinions of YourDictionary.com.

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MLA Style

"periodic." Webster's New World College Dictionary. 2009

  • Your Dictionary. 4 July 2009
  • <www.yourdictionary.com/periodic>

APA Style

periodic. (2009). In Webster's New World College Dictionary

  • Retrieved July 4th, 2009, from www.yourdictionary.com/periodic

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