radiation
gb/ɹˌeɪdiˈeɪʃən/ us/ɹˌeɪdiˈeɪʃən/
B1
Engleză
~ 4600
Sensuri
0 sensuri
Substantiv
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.
Tipar de utilizare:
[something] gives off radiation
Greșeală frecventă:
Learners sometimes confuse 'radiation' with 'radio' or 'radiator', but they are unrelated concepts.
Sinonime
emission (A general term for something being sent out, not limited to energy.)
Antonime
absorption (The process of taking in energy or particles rather than emitting them.)
Colocații
radiation exposure
|radiation levels
|radiation therapy
|solar radiation
|ionizing radiation
Teme
science
|environment
|health
|nature
Exemple
- 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.
Exemple pentru cursanți
- 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.
Substantiv
technical
B2
action
2
medical use of radiation to treat disease
A medical treatment that uses powerful radiation to kill cancer cells.
Tipar de utilizare:
receive radiation for [an illness]
Greșeală frecventă:
Learners may confuse 'radiation' (treatment) with 'radiation' as harmful exposure; context is important.
Sinonime
radiotherapy (Technical medical term for this treatment.)
Antonime
chemotherapy (A different type of cancer treatment using drugs instead of radiation.)
Colocații
radiation therapy
|radiation treatment
|undergo radiation
Teme
medicine
|health
|science
Exemple
- 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.
Exemple pentru cursanți
- He gets radiation to treat his cancer.
- My aunt had radiation after surgery.
- Radiation can help kill cancer cells.
Substantiv
B2
event
3
spreading outward from a central point
When something spreads out from the center in all directions.
Sinonime
dispersion (Focuses on scattering, not necessarily from a central point.)
Antonime
concentration (Gathering together toward a central point.)
Colocații
heat radiation
|wave radiation
Teme
science
|space
Exemple
- 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.
Exemple pentru cursanți
- The sun makes heat radiation.
- The lines show the radiation from the middle point.
- Radiation happens when heat moves away from something hot.
Gramatică
Forma de dicționar
radiation
IPA
GB/ɹˌeɪdiˈeɪʃən/
US/ɹˌeɪdiˈeɪʃən/
Silabe și accent
ra - di - ation (3 silabe)
Stress on 3rd syllable (ation)
Forme ale cuvântului
Noun
- Base: radiation
- Plural: radiation, radiations
Familie de cuvinte
Forms
radiations
noun
Core family
Negative and opposite forms
nonradioactive
adjective
Advanced or less common
irradiate
verb
irradiation
noun
radiotherapy
noun
Expresii
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.
Exemple
- 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.
Exemple
- 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.
Exemple
- Solar radiation is stronger at high altitudes.
- Plants use solar radiation to make food through photosynthesis.