A company controlled by another company.

Serving to aid or assist; supplementary.

सहायता या मदद करने के लिए; पूरक।

English Usage: The subsidiary role of the project was crucial in its overall success.

Hindi Usage: परियोजना की सहायक भूमिका इसकी समग्र सफलता में महत्वपूर्ण थी।

The electrode through which current flows into a polarized electrical device.

In electrochemistry, the electrode where reduction occurs.

इलेक्ट्रोकेमिस्ट्री में, वह इलेक्ट्रोड जहाँ अपघटन होता है।

English Usage: During the reaction, the cathode played a vital role in reducing the metal ions.

Hindi Usage: प्रतिक्रिया के दौरान, कैथोड ने धातु आयनों के अपघटन में महत्वपूर्ण भूमिका निभाई।