radiation
gb/ɹˌeɪdiˈeɪʃən/ us/ɹˌeɪdiˈeɪʃən/
B1
영어
~ 4600
의미
의미 0개
명사
B1
event
1
energy sent out as waves or particles
Energy that comes from a source as waves or tiny particles, often from the sun or dangerous materials.
사용 패턴：
[something] gives off radiation
자주 하는 실수：
Learners sometimes confuse 'radiation' with 'radio' or 'radiator', but they are unrelated concepts.
유의어
emission (A general term for something being sent out, not limited to energy.)
반의어
absorption (The process of taking in energy or particles rather than emitting them.)
연어
radiation exposure
|radiation levels
|radiation therapy
|solar radiation
|ionizing radiation
주제
science
|environment
|health
|nature
예문
- The scientists measured the amount of radiation coming from the reactor.
- Too much exposure to UV radiation can damage your skin.
- The satellite collects data on solar radiation.
- Radiation from the radioactive waste is dangerous to humans.
- Lead shielding can block most types of harmful radiation.
학습자용 예문
- The sun gives us light and radiation.
- Radiation from the sun can be strong in summer.
- Some machines use radiation to take pictures inside the body.
- Too much radiation is bad for health.
명사
technical
B2
action
2
medical use of radiation to treat disease
A medical treatment that uses powerful radiation to kill cancer cells.
사용 패턴：
receive radiation for [an illness]
자주 하는 실수：
Learners may confuse 'radiation' (treatment) with 'radiation' as harmful exposure; context is important.
유의어
radiotherapy (Technical medical term for this treatment.)
반의어
chemotherapy (A different type of cancer treatment using drugs instead of radiation.)
연어
radiation therapy
|radiation treatment
|undergo radiation
주제
medicine
|health
|science
예문
- She is undergoing radiation for breast cancer.
- Radiation is often combined with chemotherapy for better results.
- The patient completed six weeks of daily radiation treatments.
학습자용 예문
- He gets radiation to treat his cancer.
- My aunt had radiation after surgery.
- Radiation can help kill cancer cells.
명사
B2
event
3
spreading outward from a central point
When something spreads out from the center in all directions.
유의어
dispersion (Focuses on scattering, not necessarily from a central point.)
반의어
concentration (Gathering together toward a central point.)
연어
heat radiation
|wave radiation
주제
science
|space
예문
- The design shows the radiation of lines from the center.
- Heat radiation occurs when warmth spreads out from a hot object.
- The explosion caused the radiation of shock waves in all directions.
학습자용 예문
- The sun makes heat radiation.
- The lines show the radiation from the middle point.
- Radiation happens when heat moves away from something hot.
문법
기본형
radiation
IPA
GB/ɹˌeɪdiˈeɪʃən/
US/ɹˌeɪdiˈeɪʃən/
음절 및 강세
ra - di - ation （3음절）
Stress on 3rd syllable (ation)
활용형
Noun
- Base: radiation
- Plural: radiation, radiations
관련 단어
Forms
radiations
noun
Core family
Negative and opposite forms
nonradioactive
adjective
Advanced or less common
irradiate
verb
irradiation
noun
radiotherapy
noun
표현
radiation sickness
1/ɹˌeɪdiˈeɪʃən sˈɪknəs/
fixed phrase
technical
illness from too much radiation exposure
A serious illness caused by too much exposure to dangerous radiation.
예문
- Several workers developed radiation sickness after the accident.
- Radiation sickness can cause vomiting, hair loss, and even death.
radiation therapy
1/ɹˌeɪdiˈeɪʃən θˈɛɹəpi/
fixed phrase
technical
treatment using controlled radiation doses
A medical treatment that uses controlled amounts of radiation to kill cancer cells or other harmful cells.
예문
- She is receiving radiation therapy for her lung cancer.
- Radiation therapy is often combined with surgery for better results.
solar radiation
1/sˈoʊlɚ ɹˌeɪdiˈeɪʃən/
fixed phrase
technical
energy coming from the sun
Energy from the sun that travels as light or other invisible waves.
예문
- Solar radiation is stronger at high altitudes.
- Plants use solar radiation to make food through photosynthesis.