지수
A numerical scale used to compare variables with one another or with some reference number. Vital for IELTS Writing Task 1 to describe data trends.
Examples
3 of 5오늘은 자외선 지수가 높으니 주의하세요.
The UV index is high today, so be careful.
국가별 행복 지수 조사 결과가 발표되었습니다.
The results of the happiness index survey by country were announced.
요즘 주식 지수가 계속 떨어지네.
The stock index keeps falling lately.
Word Family
Memory Tip
Ji-Su: Sounds like 'G-Su' (Jesus). He counts everyone - like an index.
Quick Quiz
경제 상황을 파악하기 위해 소비자 물가 ( )를 확인합니다.
Correct!
The correct answer is: 지수
Examples
오늘은 자외선 지수가 높으니 주의하세요.
everydayThe UV index is high today, so be careful.
국가별 행복 지수 조사 결과가 발표되었습니다.
formalThe results of the happiness index survey by country were announced.
요즘 주식 지수가 계속 떨어지네.
informalThe stock index keeps falling lately.
본 연구는 삶의 질을 측정하는 새로운 지수를 제안합니다.
academicThis study proposes a new index to measure the quality of life.
코스피 지수가 사상 최고치를 경신했습니다.
businessThe KOSPI index broke its all-time high.
Word Family
Common Collocations
Common Phrases
불쾌 지수
discomfort index (humidity/heat)
경제 지수
economic index
지수를 산출하다
to calculate an index
Often Confused With
지수 is a specific numerical value (index), while 지표 is a broader indicator (can be qualitative).
Usage Notes
Essential for describing graphs in Writing Task 1.
Common Mistakes
Do not confuse with '주수' (number of weeks).
Memory Tip
Ji-Su: Sounds like 'G-Su' (Jesus). He counts everyone - like an index.
Word Origin
From Sino-Korean 指數 (point + number).
Grammar Patterns
Quick Quiz
경제 상황을 파악하기 위해 소비자 물가 ( )를 확인합니다.
Correct!
The correct answer is: 지수
Related Grammar Rules
Related Vocabulary
The practice or science of collecting and analyzing numerica...
평균A number expressing the central or typical value in a set of...
데이터Facts or information used to calculate, analyze, or plan som...
측정The act of determining the size, amount, or degree of someth...
그래프A diagram showing the relation between variable quantities,...
More science words
중첩되다
B2To overlap or be repeated multiple times. It describes situations where layers, functions, or schedules occupy the same space or time.
흡수하다
B2To soak up liquid, light, or heat. Metaphorically, it means to take in and integrate information, cultures, or even other companies (mergers).
촉매제
B2A catalyst; a substance or factor that increases the rate of a chemical reaction or triggers a significant social/personal change.
오차
B2The difference between an estimated or measured value and the actual or true value; a margin of error in statistics or measurement.
팽창하다
B2To become larger in size, volume, or quantity; to expand.
상호 연관성
B2The state of being mutually connected or related; interconnection.
정태적
B2Lacking in movement, action, or change; static. It is often used to describe a state or analysis that does not consider time-based changes.
분산되다
B2To be dispersed, scattered, or decentralized. It refers to the state where things, people, or resources are spread out over a wide area or shared among multiple parties.
변이
B2A change or difference in condition, amount, or level, typically with certain limits. In biology, it refers to the occurrence of an organism in more than one distinct color or form.
연쇄
B2A series of things or events that are connected to each other like links in a chain; a sequence where one event triggers the next.
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