주기
A set of events or a period of time that repeats regularly in the same order.
Examples
3 of 5태양 활동의 주기를 관찰하는 연구가 진행 중입니다.
Research to observe the cycle of solar activity is underway.
신제품 출시 주기가 점점 짧아지고 있습니다.
The product launch cycle is getting shorter and shorter.
기계의 부품 교체 주기를 확인하세요.
Check the replacement cycle for the machine parts.
Word Family
Memory Tip
Think of 'Jugi' as 'Jug-gle' - balls going around in a cycle.
Quick Quiz
계절의 변화는 1년을 ___로 반복된다.
Correct!
The correct answer is: 주기
Examples
태양 활동의 주기를 관찰하는 연구가 진행 중입니다.
academicResearch to observe the cycle of solar activity is underway.
신제품 출시 주기가 점점 짧아지고 있습니다.
businessThe product launch cycle is getting shorter and shorter.
기계의 부품 교체 주기를 확인하세요.
formalCheck the replacement cycle for the machine parts.
저는 운동 주기를 일주일에 세 번으로 정했어요.
everydayI set my exercise cycle to three times a week.
잠자는 주기가 망가져서 너무 피곤해.
informalMy sleep cycle is ruined, so I'm so tired.
Word Family
Common Collocations
Common Phrases
주기적으로 점검하다
to check periodically
주기를 타다
to follow a cycle
주기가 돌아오다
for the cycle to return
Often Confused With
Gigan is just a 'period of time', while Jugi is a 'repeating cycle'.
Usage Notes
Common in IELTS Task 1 (natural cycles) and Task 2 (business cycles).
Common Mistakes
Don't confuse with '주기' (to give - verb). Context usually makes it clear.
Memory Tip
Think of 'Jugi' as 'Jug-gle' - balls going around in a cycle.
Word Origin
From Sino-Korean 週期 (week/cycle period).
Grammar Patterns
Quick Quiz
계절의 변화는 1년을 ___로 반복된다.
Correct!
The correct answer is: 주기
Related Vocabulary
More science words
가정하다
B2To suppose or assume something to be true for the sake of argument or investigation. It is a fundamental verb in academic hypothesis building.
분포하다
B2To be distributed or spread over a certain area or range. It describes the spatial or statistical arrangement of things.
비율
B2The quantitative relationship between two amounts showing the number of times one value contains or is contained within the other.
축적하다
B2To accumulate or build up a large amount of something over a period of time, such as wealth, knowledge, or experience.
검증하다
B2To verify or validate something through investigation, testing, or evidence. It is a key term in scientific research and auditing.
성분
B2A constituent part or ingredient of a whole substance or mixture. It is commonly used in chemistry, medicine, and food science.
축적
B2The gradual gathering or piling up of things like wealth, knowledge, experience, or substances over a period of time.
순환
B2The process of moving or flowing in a circle or a regular cycle. Commonly used in biology (blood), economics (capital), and ecology (resources).
통계학
B1The branch of mathematics dealing with the collection, analysis, interpretation, and presentation of masses of numerical data.
산출하다
B2To calculate, yield, or produce a certain amount or result. Often used for numerical data or industrial production.
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