To increase or make twice as much.

To fold or bend something over itself.

मोड़ना

English Usage: "He doubled the paper to make it thicker."

Hindi Usage: "उसने कागज को मोटा करने के लिए मोड़ा।"

A thing that is twice as much or as many as another.

दो गुना

English Usage: "We need to double the amount of sugar in the recipe."

Hindi Usage: "हमें रेसिपी में चीनी की मात्रा को दो गुना करना होगा।"