A fluid used to roughen the surface of certain playing cards so that they clump together, used as a preparatory stage for certain card tricks.

A coarse vacuum, usually one where pressure remains at 0.1 to 1 millitorr.

A type of vacuum pump that is used to achieve rough vacuum from initial atmospheric pressure.

plural of roughing pump

plural of rough pump

Synonym of roughing pump

One who rough-hews.

plural of rough-hewer

Having almost perfectly memorized a theatrical part.

plural of rough book