period
pe
ˈpÉĒ
pi
riod
riəd
riēd
/ˈpÉĒərÉĒəd/

āχāĻ‚āϰ⧇āϜāĻŋāϤ⧇ "period"āĻāϰ āϏāĻ‚āĻœā§āĻžāĻž āĻ“ āĻ…āĻ°ā§āĻĨ

01

a span of time, often with a clear beginning and end

period definition and meaning
āωāĻĻāĻžāĻšāϰāĻŖ
This period of history was marked by great change.
02

the symbol (.) used to end a declarative sentence or mark an abbreviation

Dialectamerican flagAmerican
full stopbritish flagBritish
period definition and meaning
āωāĻĻāĻžāĻšāϰāĻŖ
His initials were written as J.D., with a period after each letter.
03

āĻĒāĻŋāϰāĻŋāϝāĻŧāĻĄ, āĻ•ā§āϞāĻžāϏ⧇āϰ āϏāĻŽāϝāĻŧ

each part into which a day is divided at a school, university, etc.
period definition and meaning
āωāĻĻāĻžāĻšāϰāĻŖ
The teacher announced a surprise quiz during the third period, catching the students off guard.
04

a length of time defined by the repetition of a process or phenomenon

āωāĻĻāĻžāĻšāϰāĻŖ
The pendulum swings back and forth in a fixed period.
05

āĻĒāĻŋāϰāĻŋāϝāĻŧāĻĄ, āĻ‹āϤ⧁āĻ¸ā§āϰāĻžāĻŦ

the monthly process where the uterus sheds its lining, resulting in blood discharge
āωāĻĻāĻžāĻšāϰāĻŖ
Many women use menstrual products to manage their period comfortably.
āĻ…āύ⧇āĻ• āĻŽāĻšāĻŋāϞāĻž āφāϰāĻžāĻŽā§‡ āϤāĻžāĻĻ⧇āϰ āĻĒāĻŋāϰāĻŋāϝāĻŧāĻĄ āĻĒāϰāĻŋāϚāĻžāϞāύāĻž āĻ•āϰāϤ⧇ āĻŽāĻžāϏāĻŋāĻ• āĻĒāĻŖā§āϝ āĻŦā§āϝāĻŦāĻšāĻžāϰ āĻ•āϰ⧇āύāĨ¤
06

a division of geological time during which a specific set of rock layers was formed

āωāĻĻāĻžāĻšāϰāĻŖ
Fossils from the Cambrian period reveal early life forms.
07

the conclusion or final point of something

āωāĻĻāĻžāĻšāϰāĻŖ
The project has reached its natural period.
08

āĻĒāĻŋāϰāĻŋāϝāĻŧāĻĄ, āϤ⧃āϤ⧀āϝāĻŧāĻžāĻ‚āĻļ

one of the three equal divisions of play in hockey, each lasting typically 20 minutes
āωāĻĻāĻžāĻšāϰāĻŖ
Scoring in the opening period set the tone for the rest of the game.
āĻļ⧁āϰ⧁āϰ āĻĒāĻŋāϰāĻŋāϝāĻŧāĻĄā§‡ āĻ¸ā§āϕ⧋āϰāĻŋāĻ‚ āϗ⧇āĻŽā§‡āϰ āĻŦāĻžāĻ•āĻŋ āĻ…āĻ‚āĻļ⧇āϰ āϜāĻ¨ā§āϝ āĻŸā§‹āύ āϏ⧇āϟ āĻ•āϰ⧇āĨ¤
09

āĻĒāĻŋāϰāĻŋāϝāĻŧāĻĄ, āĻŦā§āϝāĻŦāϧāĻžāύ

a recurring interval or length associated with a mathematical function or pattern
āωāĻĻāĻžāĻšāϰāĻŖ
The period of a periodic function is the smallest positive value of p for which f(x+p)=f(x ) for all x.
āĻāĻ•āϟāĻŋ āĻĒāĻ°ā§āϝāĻžāϝāĻŧāĻ•ā§āϰāĻŽāĻŋāĻ• āĻĢāĻžāĻ‚āĻļāύ⧇āϰ āĻĒāĻ°ā§āϝāĻžāϝāĻŧ āĻšāϞ p-āĻāϰ āĻ•ā§āώ⧁āĻĻā§āϰāϤāĻŽ āϧāύāĻžāĻ¤ā§āĻŽāĻ• āĻŽāĻžāύ āϝāĻžāϰ āϜāĻ¨ā§āϝ āϏāĻ•āϞ x-āĻāϰ āϜāĻ¨ā§āϝ f(x+p)=f(x) āĻšāϝāĻŧāĨ¤
01

āĻļ⧇āώ, āĻĒāĻ°ā§āϝāĻ¨ā§āϤ

used to emphasize that something is final, absolute, or non-negotiable
period definition and meaning
āωāĻĻāĻžāĻšāϰāĻŖ
I told you I do n't want to discuss it anymore, period.
āφāĻŽāĻŋ āϤ⧋āĻŽāĻžāϕ⧇ āĻŦāϞ⧇āĻ›āĻŋ āφāĻŽāĻŋ āĻāϟāĻž āύāĻŋā§Ÿā§‡ āφāϰ āφāϞ⧋āϚāύāĻž āĻ•āϰāϤ⧇ āϚāĻžāχ āύāĻž, āĻļ⧇āώāĨ¤
01

āϏāĻŽāϝāĻŧ⧇āϰ, āϐāϤāĻŋāĻšāĻžāϏāĻŋāĻ•

typical of or relating to a specific historical time, especially used for things like fashion, furniture, or films
Dialectamerican flagAmerican
āωāĻĻāĻžāĻšāϰāĻŖ
The house is filled with period furniture.
āĻŦāĻžāĻĄāĻŧāĻŋāϟāĻŋ āĻĒāĻŋāϰāĻŋ⧟āĻĄ āĻĢāĻžāĻ°ā§āύāĻŋāϚāĻžāϰ⧇ āĻĒā§‚āĻ°ā§āĻŖāĨ¤

āĻļāĻŦā§āĻĻāϤāĻžāĻ¤ā§āĻ¤ā§āĻŦāĻŋāĻ• āĻ—āĻžāĻ›

periodic
periodicity
period
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āύāĻŋāĻ•āϟāĻŦāĻ°ā§āϤ⧀ āĻļāĻŦā§āĻĻ
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āĻ…ā§āϝāĻžāĻĒ āĻĄāĻžāωāύāϞ⧋āĻĄ āĻ•āϰ⧁āύ