Background for periods

periods

/ˈpɪriədz/ /ˈpɪəriːədz/

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noun

A length of time.

Examples :

"There was a period of confusion following the announcement."

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noun

A period of time in history seen as a single coherent entity; an epoch, era.

Examples :

"Food rationing continued in the post-war period."

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noun

The punctuation mark “.” (indicating the ending of a sentence or marking an abbreviation).

Examples :

"My teacher told me to always use periods at the end of my sentences. "

grammar writing mark language

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noun

The length of time during which the same characteristics of a periodic phenomenon recur, such as the repetition of a wave or the rotation of a planet.

Examples :

""The brightness of this variable star changes in regular periods of about 30 days." "

physics astronomy math science time period frequency phenomena

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noun

Female menstruation.

Examples :

"When she is on her period, she prefers not to go swimming."

physiology sex body medicine

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noun

A section of an artist's, writer's (etc.) career distinguished by a given quality, preoccupation etc.

Examples :

"This is one of the last paintings Picasso created during his Blue Period."

art literature music style period time history quality

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noun

Each of the divisions into which a school day is split, allocated to a given subject or activity.

Examples :

"I have math class in second period."

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noun

Each of the intervals into which various sporting events are divided.

Examples :

"Gretzky scored in the last minute of the second period."

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noun

The length of time for a disease to run its course.

Examples :

"The doctor said the periods of flu symptoms are usually about a week long. "

medicine disease

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noun

An end or conclusion; the final point of a process etc.

Examples :

"The renovation project reached one of its major periods when the roof was finally completed. "

outcome process period

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noun

A complete sentence, especially one expressing a single thought or making a balanced, rhythmic whole.

Examples :

"The student practiced writing different kinds of periods, like questions and exclamations, to improve their grammar. "

grammar writing statement language

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noun

A specific moment during a given process; a point, a stage.

Examples :

""During the process of learning to ride a bike, there are periods of confidence and periods of doubt." "

time process period stage point

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noun

A row in the periodic table of the elements.

Examples :

"The teacher explained that elements in the same periods of the periodic table have similar numbers of electron shells. "

element chemistry science

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noun

A subdivision of an era, typically lasting from tens to hundreds of millions of years, see Appendix: Geologic timescale.

Examples :

"Fossils from the Jurassic and Cretaceous periods show us what dinosaurs were like millions of years ago. "

geology time history science

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noun

A Drosophila gene, the gene product of which is involved in regulation of the circadian rhythm.

Examples :

"Scientists study the periods gene in fruit flies to understand how our own internal clocks work and affect our sleep patterns. "

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noun

Two phrases (an antecedent and a consequent phrase).

Examples :

"In music class, we learned that periods, consisting of an antecedent and a consequent phrase, create a complete musical thought. "

music phrase literature

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noun

The length of an interval over which a periodic function, periodic sequence or repeating decimal repeats; often the least such length.

Examples :

"The repeating pattern of rainy days every 10 days is a period of 10 days. "

math time frequency period

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noun

End point, conclusion.

Examples :

"The project's many delays finally reached periods, and it was canceled. "