A significant component in devices such as cathode ray tubes and various types of lamps, where it emits electrons or allows positive ions to enter.

In chemistry, it may refer to the electrode where reduction reactions occur during electrolysis.

वह इलेक्ट्रोड जहां अपघटन प्रतिक्रियाएँ होती हैं।

English Usage: During the electrolysis process, the cathode attracts cations.

Hindi Usage: इलेक्ट्रोलाइसिस प्रक्रिया के दौरान, कैथोड धनायनों को आकर्षित करता है।

The process by which a substance emits light after being energized, often seen in glow-in-the-dark materials.

In scientific contexts, it can refer to a specific type of light emission due to trapped energy in molecules.

अणुओं में बंद ऊर्जा के कारण प्रकाश उत्सर्जन का विशेष प्रकार।

English Usage: Phosphorescence can occur in certain minerals when they are exposed to UV light.

Hindi Usage: कुछ खनिजों में यूवी प्रकाश के संपर्क में आने पर फॉस्फोरेसेंस हो सकता है।