radiation
gb/ɹˌeɪdiˈeɪʃən/ us/ɹˌeɪdiˈeɪʃən/
B1
Angličtina
~ 4600
Významy
0 významů
Podstatné jméno
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.
Vzorec užití:
[something] gives off radiation
Častá chyba:
Learners sometimes confuse 'radiation' with 'radio' or 'radiator', but they are unrelated concepts.
Synonyma
emission (A general term for something being sent out, not limited to energy.)
Antonyma
absorption (The process of taking in energy or particles rather than emitting them.)
Kolokace
radiation exposure
|radiation levels
|radiation therapy
|solar radiation
|ionizing radiation
Témata
science
|environment
|health
|nature
Příklady
- 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.
Učební příklady
- 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.
Podstatné jméno
technical
B2
action
2
medical use of radiation to treat disease
A medical treatment that uses powerful radiation to kill cancer cells.
Vzorec užití:
receive radiation for [an illness]
Častá chyba:
Learners may confuse 'radiation' (treatment) with 'radiation' as harmful exposure; context is important.
Synonyma
radiotherapy (Technical medical term for this treatment.)
Antonyma
chemotherapy (A different type of cancer treatment using drugs instead of radiation.)
Kolokace
radiation therapy
|radiation treatment
|undergo radiation
Témata
medicine
|health
|science
Příklady
- 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.
Učební příklady
- He gets radiation to treat his cancer.
- My aunt had radiation after surgery.
- Radiation can help kill cancer cells.
Podstatné jméno
B2
event
3
spreading outward from a central point
When something spreads out from the center in all directions.
Synonyma
dispersion (Focuses on scattering, not necessarily from a central point.)
Antonyma
concentration (Gathering together toward a central point.)
Kolokace
heat radiation
|wave radiation
Témata
science
|space
Příklady
- 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.
Učební příklady
- The sun makes heat radiation.
- The lines show the radiation from the middle point.
- Radiation happens when heat moves away from something hot.
Gramatika
Slovníkový tvar
radiation
IPA
GB/ɹˌeɪdiˈeɪʃən/
US/ɹˌeɪdiˈeɪʃən/
Slabiky a přízvuk
ra - di - ation (3 slabiky)
Stress on 3rd syllable (ation)
Tvary slova
Noun
- Base: radiation
- Plural: radiation, radiations
Příbuzná slova
Forms
radiations
noun
Core family
Negative and opposite forms
nonradioactive
adjective
Advanced or less common
irradiate
verb
irradiation
noun
radiotherapy
noun
Výrazy
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.
Příklady
- 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.
Příklady
- 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.
Příklady
- Solar radiation is stronger at high altitudes.
- Plants use solar radiation to make food through photosynthesis.