radiation

• Существительное, обозначающее испускание или передачу энергии в виде волн или частиц, часто связанное с ядерными процессами, электромагнитными волнами или радиоактивным распадом.

A noun referring to the emission or transmission of energy in the form of waves or particles, often associated with nuclear processes, electromagnetic waves, or radioactive decay.

uncountable

1. Energy emissionB2formalscientific

   The emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles that cause ionization.

   Излучение

   • The sun emits radiation that is essential for life on Earth.
   • Scientists measure radiation levels near nuclear power plants.
   • Exposure to high levels of radiation can be harmful to health.

   Synonymsemanationemission

2. Medical treatmentB2formalmedical

   The use of high-energy radiation, such as X-rays or gamma rays, to treat diseases like cancer.

   Облучение

   • The patient underwent radiation therapy for her tumor.
   • Doctors carefully target the radiation to minimize damage to healthy tissue.
   • Radiation treatment can have side effects like fatigue.

   Synonymsirradiationradiation therapyradiotherapyx-ray therapy

3. Heat transferB2formalscientific

   The transfer of heat energy through space by electromagnetic waves, without requiring a medium.

   Излучение

   • Heat from the sun reaches the Earth by radiation.
   • A campfire warms you through radiation.
   • Thermal radiation is emitted by all objects above absolute zero.