valsalva manoeuvre. The effort to breathe out forcibly while the mouth and nose are firmly closed or the vocal cords pressed together. The valsalva manoeuvre is employed while straining at stool and in other circumstances. It causes a rise in blood pressure followed by a sharp drop and then a second sharp rise in blood pressure.
A device used to grind coffee beans. verb. To grind is defined as to crush, reduce to a powder using friction or to rub two surfaces together forcefully. An example of to grind is using a mortar and pestle to turn cumin seeds into cumin powder.
The grind of a blade refers to the shape of the cross-section of the blade. It is distinct from the blade profile (e.g. , clip point or drop point knife, sabre or cutlass, axe or chisel, etc.), though different tools and blades may have lent their name to a particular grind. Chisel grind â As on a chisel, only one side is ground (often at an edge angle of about 20 â 30Â°); the other remains flat. 2  As many Japanese culinary knives tend to be chisel ground they are often sharper than a typical double bevelled Western culinary knife.