A substance used to propel or drive something forward, often in reference to engines or rockets.

propel करने वाली सामग्री

English Usage: The rocket used a powerful propellant to achieve lift-off during the launch.

Hindi Usage: रॉकेट ने लॉन्च के दौरान उड़ान भरने के लिए एक शक्तिशाली propel करने वाली सामग्री का उपयोग किया।

Relating to or consisting of colloids, a substance microscopically dispersed throughout another substance.