compacture
/ˌkɑːmpækˈtʃʊər, ˌkæm-/COM-pak-tchoor, KAM-
Definitions
1. verb
to make something more compact or to reduce its size
“The artist compactured the sculpture to fit it into a smaller box.”
2. noun
the process or state of making something more compact
“The compacture of the data allowed it to be stored more efficiently.”