To make a liquid thinner or weaker by adding water or another solvent.

पतला करना

English Usage: You should dilute the paint with water before applying it.

Hindi Usage: आपको पेंट लगाने से पहले इसे पानी से पतला करना चाहिए।

The action of making a substance less concentrated.

पतला करना

English Usage: The dilution of the solution made it less effective.

Hindi Usage: घोल का पतला करना इसे कम प्रभावी बना दिया।