radiation
gb/ɹˌeɪdiˈeɪʃən/ us/ɹˌeɪdiˈeɪʃən/
B1
Английски
~ 4600
Значения
0 значения
Съществително
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.
Модел на употреба:
[something] gives off radiation
Честа грешка:
Learners sometimes confuse 'radiation' with 'radio' or 'radiator', but they are unrelated concepts.
Синоними
emission (A general term for something being sent out, not limited to energy.)
Антоними
absorption (The process of taking in energy or particles rather than emitting them.)
Колокации
radiation exposure
|radiation levels
|radiation therapy
|solar radiation
|ionizing radiation
Теми
science
|environment
|health
|nature
Примери
- 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.
Примери за учащи
- 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.
Съществително
technical
B2
action
2
medical use of radiation to treat disease
A medical treatment that uses powerful radiation to kill cancer cells.
Модел на употреба:
receive radiation for [an illness]
Честа грешка:
Learners may confuse 'radiation' (treatment) with 'radiation' as harmful exposure; context is important.
Синоними
radiotherapy (Technical medical term for this treatment.)
Антоними
chemotherapy (A different type of cancer treatment using drugs instead of radiation.)
Колокации
radiation therapy
|radiation treatment
|undergo radiation
Теми
medicine
|health
|science
Примери
- 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.
Примери за учащи
- He gets radiation to treat his cancer.
- My aunt had radiation after surgery.
- Radiation can help kill cancer cells.
Съществително
B2
event
3
spreading outward from a central point
When something spreads out from the center in all directions.
Синоними
dispersion (Focuses on scattering, not necessarily from a central point.)
Антоними
concentration (Gathering together toward a central point.)
Колокации
heat radiation
|wave radiation
Теми
science
|space
Примери
- 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.
Примери за учащи
- The sun makes heat radiation.
- The lines show the radiation from the middle point.
- Radiation happens when heat moves away from something hot.
Граматика
Речникова форма
radiation
IPA
GB/ɹˌeɪdiˈeɪʃən/
US/ɹˌeɪdiˈeɪʃən/
Срички и ударение
ra - di - ation (3 срички)
Stress on 3rd syllable (ation)
Форми на думата
Noun
- Base: radiation
- Plural: radiation, radiations
Семейство думи
Forms
radiations
noun
Core family
Negative and opposite forms
nonradioactive
adjective
Advanced or less common
irradiate
verb
irradiation
noun
radiotherapy
noun
Изрази
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.
Примери
- 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.
Примери
- 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.
Примери
- Solar radiation is stronger at high altitudes.
- Plants use solar radiation to make food through photosynthesis.