A sound that is reflected off a surface and heard again.

प्रतिध्वनि

English Usage: The mountain valley was filled with the echo of our laughter.

Hindi Usage: पहाड़ी घाटी हमारी हंसी की प्रतिध्वनि से भरी हुई थी।

To divide or separate into parts.

विभाजित करना

English Usage: We had to split the comprehensive report into separate sections.

Hindi Usage: हमें व्यापक रिपोर्ट को अलग-अलग अनुभागों में विभाजित करना पड़ा।