The length of time that a person has lived or a thing has existed.

A particular period in history.

युग

English Usage: The age of dinosaurs fascinated many scientists.

Hindi Usage: डायनासोर का युग कई वैज्ञानिकों को मोहित करता है।

Made tough or strong, often through experience or conditions.

Firm and solid; not easily bent or broken.

कठोर

English Usage: The hardened clay was perfect for sculpting.

Hindi Usage: कठोर मिट्टी मूर्तिकला के लिए उपयुक्त थी।