Learn ArabicB2 › إِشْعاع

إِشْعاع

radiation /ʔiʃˈʕaːʕ/

nounB2#3943 most common

Also: emission, radiance, cultural influence (metaphorical)

Example sentences

الشمسُ مصدرُ إشعاعٍ.
The sun is a source of radiation.
هذا الجهاز يقيس الإشعاع.
This device measures radiation.
يمكن أن يكون الإشعاع خطيراً على الصحة.
Radiation can be dangerous to health.
يستخدم الأطباء الإشعاع في علاج بعض أنواع السرطان.
Doctors use radiation to treat certain types of cancer.
انبعثت إشعاعاتٌ نووية من المفاعل بعد الحادث.
Nuclear radiation was emitted from the reactor after the accident.
أسهم الإشعاع الثقافي لهذه المدينة في تعزيز مكانتها التاريخية عبر العصور.
This city's cultural radiance helped strengthen its historical standing over the ages.

Declension

CaseSingularPlural
Nominativeإشعاعٌإشعاعاتٌ
Genitiveإشعاعٍإشعاعاتٍ
Accusativeإشعاعاًإشعاعاتٍ
Vocativeيا إشعاعُيا إشعاعاتُ

Word family

شُعاعray, beam
أَشَعَّto radiate, emit rays
مُشِعّradioactive
إِشْعاعِيّradiological, radiative

Etymology

The word is the verbal noun (masdar) of the Form IV verb أَشَعَّ, meaning to emit rays or radiate. Both trace to the geminate Semitic root ش-ع-ع, which conveys the sense of shining or spreading light. The إفعال pattern of Form IV nouns marks the abstract act or process, so إشعاع denotes the act of radiating rather than the ray itself. Modern Arabic extended the word to cover physical radiation in science and, by metaphor, cultural or intellectual influence that spreads outward.

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