Referring to something that is of lesser importance or a supporting role.

Referring to an educational level following primary education.

माध्यमिक

English Usage: Students in secondary education must take standardized tests.

Hindi Usage: माध्यमिक शिक्षा के छात्रों को मानकीकृत परीक्षण लेना होगा।

A type of electromagnetic radiation.

एक्स-रे विकिरण

English Usage: X-radiation is commonly used for imaging purposes.

Hindi Usage: एक्स-रे विकिरण का आमतौर पर इमेजिंग के उद्देश्यों के लिए उपयोग किया जाता है।

Energy emitted in the form of waves or particles.

विकिरण

English Usage: Radiation can be harmful in high doses.

Hindi Usage: उच्च खुराक में विकिरण हानिकारक हो सकता है।

Describing something that is derived from or dependent on something else.

द्वितीयक

English Usage: The secondary effects of the drug were monitored closely.

Hindi Usage: दवाई के द्वितीयक प्रभावों पर करीबी निगरानी रखी गई।