conduplicate
/kɒndʌˈplɪkeɪt/Definitions
1. verb
to fold together; to make something double by folding it
“The instructions showed how to conduplicate the sheet of paper for easier storage.”
2. noun
a fold or crease made by doubling something over
“The conduplicate in the sheet of paper helped it lie flat.”
3. adjective
folded or double
“The conduplicate pages of the book made it thicker.”