Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “periodic”

See all translations

periodic

adjective [not gradable]  /ˌpɪər·iˈɑd·ɪk/ us  

periodic adjective [not gradable] (REPEATED EVENT)

periodic adjective [not gradable] (TIME)

( also periodical,  /ˌpɪər·iˈɑd·ɪ·kəl/) happening repeatedly although not necessarily frequently: He suffers periodic mental breakdowns. physics ( also periodical,  /ˌpɪər·iˈɑd·ɪ·kəl/) A pattern or other event is periodic if it repeats at periods of time that are equal.
Translations of “periodic”
in Chinese (Traditional) 週期(性)的, 定期的…
in Russian периодический…
in Turkish belli aralıklarla olan, fasılalı, periyodik…
in Chinese (Simplified) 周期(性)的, 定期的…
in Polish okresowy…
(Definition of periodic from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of periodic?
Add Cambridge dictionaries to your browser to your website

More American English definitions for “periodic”

Definitions of “periodic” in other dictionaries

Word of the Day

pot luck

anything that is available or is found by chance, rather than something chosen, planned, or prepared

Word of the Day

Think long and hard; the language of decisions

by Liz Walter,
January 28, 2015
One of the best ways (perhaps the best way) to improve your English is to learn how words go together in phrases, idioms, or other patterns such as verb/noun or adjective/noun pairs (often called ‘collocations’). This blog looks at some useful phrases and collocations connected with the subject of decisions, something we

Read More 

micro pig noun

January 26, 2015
an extremely small pig, bred to be a pet Micro pigs have become popular pets recently, with famous owners including Victoria Beckham, Paris Hilton and Olympic diver, Tom Daley.

Read More