Engineering English
Cross-Origin Resource Sharing (CORS)
Software Engineering · Last updated: July 30, 2026 · How this entry was written
Definition: CORS is a security mechanism that allows a web page from one domain to access resources from another domain. It uses HTTP headers to indicate which origins are permitted to read the response.
Example in context
“When developing a single-page application, you must configure CORS on the backend to allow requests from your frontend domain.”
“Tek sayfalı uygulama geliştirirken, ön uç alan adınızdan gelen isteklere izin vermek için arka uçta CORS'u yapılandırmalısınız.”
Where engineers use it
CORS is encountered when a frontend application makes a cross-origin request. Engineers configure CORS headers in the server response to enable secure cross-domain data sharing. It is critical for web security.
Synonyms: Cross-Origin Resource Sharing
Antonyms: same-origin policy
Practice: can you use “Cross-Origin Resource Sharing (CORS)” at work?
Your team's web frontend is unable to fetch data from an API on a different domain. The browser displays a CORS error. How would you resolve this issue?
Show a model answer
“Check the CORS configuration if you see a cross-origin request error in the browser console.”
“Cross-Origin Resource Sharing (CORS)” in 21 languages
| English | Cross-Origin Resource Sharing (CORS) |
|---|---|
| Turkish | Çapraz Kaynak Paylaşımı (CORS) |
| French | Partage de ressources entre origines (CORS) |
| German | Cross-Origin Resource Sharing (CORS) |
| Spanish | Intercambio de recursos de origen cruzado (CORS) |
| Chinese | 跨域资源共享 (CORS) |
| Arabic | مشاركة الموارد عبر الأصول (CORS) |
| Portuguese | Compartilhamento de Recursos de Origem Cruzada (CORS) |
| Russian | Обмен ресурсами между разными источниками (CORS) |
| Japanese | クロスオリジンリソース共有 (CORS) |
| Italian | Condivisione di risorse tra origini diverse (CORS) |
| Vietnamese | Chia sẻ tài nguyên giữa các nguồn gốc (CORS) |
| Hindi | क्रॉस-ओरिजिन संसाधन साझाकरण (CORS) |
| Thai | การแชร์ทรัพยากรข้ามแหล่งกำเนิด (CORS) |
| Indonesian | Berbagi Sumber Daya Lintas Asal (CORS) |
| Korean | 교차 출처 리소스 공유 (CORS) |
| Bengali | ক্রস-অরিজিন রিসোর্স শেয়ারিং (CORS) |
| Dutch | Cross-Origin Resource Sharing (CORS) |
| Swedish | Cross-Origin Resource Sharing (CORS) |
| Finnish | Cross-Origin Resource Sharing (CORS) |
| Ukrainian | Обмін ресурсами між різними джерелами (CORS) |
Frequently asked questions
What does Cross-Origin Resource Sharing (CORS) mean in engineering?
CORS is a security mechanism that allows a web page from one domain to access resources from another domain. It uses HTTP headers to indicate which origins are permitted to read the response. In Software Engineering, the term carries a usage-frequency rating of 10/10 in the Engineering English library.
How do you pronounce Cross-Origin Resource Sharing (CORS)?
Cross-Origin Resource Sharing (CORS) is pronounced /krɒs ˈɒrɪdʒɪn rɪˈsɔːrs ˈʃeərɪŋ (kɔːrz)/ (IPA). The Engineering English app plays audio for the term and checks your pronunciation with speech recognition.
How is Cross-Origin Resource Sharing (CORS) used in a sentence?
Example from an engineering context: “When developing a single-page application, you must configure CORS on the backend to allow requests from your frontend domain.”
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