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Period (from Greek περίοδος) or periodic may refer to:

Language and literature

Science and mathematics

Other meanings

See also


Wiktionary

Up to date as of January 15, 2010

Definition from Wiktionary, a free dictionary

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English

Most common English words: fresh « noble « appearance « #713: period » William » remain » covered

Etymology

From Middle English periode from Middle French periode from Mediaeval Latin periodus from Latin periodus from Ancient Greek περίοδος (períodos) "circuit, period of time, path around" from περί- (peri-) "around" + ὁδός (hodós) "way". Displaced native Middle English tide "interval, period, season" (from Old English tīd "time, period, season"), Middle English elde "age, period" (from Old English eldo, ieldo "age, period of time").

Pronunciation

Adjective

period (not comparable)

Positive
period

Comparative
not comparable

Superlative
none (absolute)

  1. Appropriate for a given historical era.
    • 2004, Mark Singer, Somewhere in America, Houghton Mifflin, page 70
      As the guests arrived — there were about a hundred, a majority in period attire — I began to feel out of place in my beige summer suit, white shirt, and red necktie. Then I got over it. I certainly didn't suffer from Confederate-uniform envy.

Interjection

period

  1. (chiefly North American) And nothing else; and nothing less; used for emphasis.
    When I say "eat your dinner," it means "eat your dinner," period!

Synonyms

Translations

Noun

Singular
period

Plural
periods

period (plural periods)

  1. (chiefly North American) Punctuation mark “.” (indicating the ending of a sentence or marking an abbreviation).
  2. A length of time.
    There was a period of confusion following the announcement.
    You'll be on probation for a six-month period.
  3. An epoch, era, time in history or in a person's life.
    Food rationing continued in the post-war period.
    This is one of the last paintings Picasso created during his Blue Period.
  4. A specific length of time that an activity (such as a game or a school day) is conventionally divided into.
    Gretzky scored in the last minute of the second period.
    I have math class in second period.
  5. The minimum interval during which the same characteristics of a periodic phenomenon recur, such as the repetition of a wave or the rotation of a planet.
  6. Female menstruation.
    When she is on her period she can be more disagreeable than usual
  7. (chemistry) A row in the periodic table of the elements.
  8. (genetics) A Drosophila gene which gene product is involved in regulation of the circadian rhythm
    • 1988, “Antibodies to the period gene product of drosophila reveal diverse tissue distribution and rhythmic changes in the visual system”, Neuron, vol. 1, no. 2, 1 April, page 141: 
      Polyclonal antibodies were prepared against the period gene product, which influences biological rhythms in D. melanogaster, by using small synthetic peptides from the per sequence as immunogens.
    • 2009 "Gene Dmel\per (in en)." (Gene Report (database record)) FlyBase. The FlyBase Consortium: 20 November 2009. URL accessed on 7 December, 2009.

Synonyms

See also

Punctuation

( ( ) ) ( [ ] ) ( { } ) ( )

Translations

The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Help:How to check translations.

Anagrams


Serbo-Croatian

Pronunciation

  • IPA: /perǐod/
  • Hyphenation: pe‧ri‧od

Noun

perìod m. (Cyrillic spelling перѝод)

  1. period (of time)

Declension


Simple English

Period means different things.








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