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