radiation

• اسم يشير إلى انبعاث أو انتقال الطاقة في صورة موجات أو جسيمات، ويُستخدم خاصة في السياق النووي والإشعاع الكهرومغناطيسي والتحلل الإشعاعي.

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.

غير معدود

1. Energy emissionB2formalscientific

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

   إشعاع

   • 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.

   المرادفاتemanationemission

2. Medical treatmentB2formalmedical

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

   العلاج الإشعاعي

   • 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.

   المرادفاتirradiationradiation therapyradiotherapyx-ray therapy

3. Heat transferB2formalscientific

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

   الإشعاع الحراري

   • 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.