Refers to motion that goes through a finite number of regions, returns to a previous state, and repeats the same fixed pattern forever.

Found on http://www.encyclo.co.uk/local/20090

[

*adj]* - recurring at regular intervals 2. [adj] - happening or recurring at regular intervals 3. [adj] - recurring or reappearing from time to time

Found on http://www.webdictionary.co.uk/definition.php?query=periodic

A term used to refer to a pattern of motion which repeats exactly after a given interval or period. This situation generally occurs when the input force is periodic as in a machine running at a steady speed. See also: Aperiodic.

Found on http://www.diracdelta.co.uk/science/source/p/e/periodic/source.html

**Per`i·od'ic** * adjective* [ Prefix

* per-* +

* iodic* .]

* (Chemistry)* Pertaining to, derived from, or designating, the highest oxygen acid (HIO...) of iodine.

Found on http://www.encyclo.co.uk/webster/P/56

Recurring at regular intervals of time. ... Origin: Gr. Periodikos ... (18 Nov 1997) ...

Found on http://www.encyclo.co.uk/local/20973

periodical *adjective* happening or recurring at regular intervals

Found on https://www.encyclo.co.uk/local/20974

(pēr´e-od´ik) repeated or recurring at intervals.

Found on http://www.encyclo.co.uk/local/21001

• (a.) Pertaining to, derived from, or designating, the highest oxygen acid (HIO/) of iodine. • (a.) Alt. of Periodical

Found on http://thinkexist.com/dictionary/meaning/periodic/

(Gr. periodikos) recurring at regular intervals of time.

Found on http://users.ugent.be/~rvdstich/eugloss/DIC/dictio66.html

periodic 1. Recurring at intervals of time; such as, periodic revivals of an interest in etymology. 2. Occurring or appearing at regular intervals. 3. Repeated at irregular intervals; intermittent. 4. In physics: Recurring at equal intervals of time. 5. With reference to a mathematical function, having a graph that repeats after a fixed interval (p...

Found on http://www.wordinfo.info/words/index/info/view_unit/1610/11

identically recurring at equal intervals of the independent variable

Found on http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=101-14-06

Refers to motion or to an entity that goes through a finite number of regions, returns to a previous state, and repeats the same fixed pattern forever.

Found on http://www.daviddarling.info/encyclopedia/P/periodic.html

Type: Term Pronunciation: pēr′ē-od′ik Definitions: 1. Recurring at regular intervals. 2. Denoting a disease with regularly recurring exacerbations or paroxysms. 3. Denoting any of several oxoacids of iodine.

Found on http://www.medilexicon.com/medicaldictionary.php?t=67156

Occurring at regular time intervals.

Found on https://www.encyclo.co.uk/local/21657

**No exact match found**