undouble
/ʌnˈdʌbəl/
verb
- To separate or unfold something that is doubled or folded.
- She undoubled the map to see the entire route.
- He carefully undoubled the letter to read the message inside.
- The magician undoubled the handkerchief to reveal a coin.
- To reduce something from a double to a single state; to make single again.
- The recipe calls for you to undouble the cream by mixing it with milk.
- The software can undouble the image layers into separate files.
- You can undouble the thread by pulling one strand free.