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
과학적
B1Relating to science or based on the methods and principles of science. Essential for describing research methodology.
조절하다
B1To adjust, regulate, or control something to a desired level or state. It often refers to managing physical settings or personal habits.
검출하다
B1To find or detect the presence of a specific substance, signal, or element, usually through scientific testing or specialized equipment.
흡수
B1The act of taking in or soaking up something, such as liquids, nutrients, information, or even a smaller organization into a larger one.
지수
B1A numerical scale used to compare variables with one another or with some reference number. Vital for IELTS Writing Task 1 to describe data trends.
유전
B1The process by which genetic information is passed on from parents to their offspring; heredity.
측정하다
B1To measure the size, quantity, or degree of something using a specific tool or standard.
실험하다
B1To perform a scientific test or investigation to discover new information or test a hypothesis. It involves observing effects under controlled conditions.
단위
B1A specific quantity or amount used as a standard of measurement. It can also refer to a basic component or group within a larger organization.
소멸하다
B1To disappear or cease to exist, often used for languages, species, or legal rights.
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