If your muscles or joints stiffen, or if something stiffens them, they become difficult to bend or move. The blood supply to the skin is reduced when muscles stiffen. Stiffen up means the same as stiffen. These clothes restrict your freedom of movement and stiffen up the whole body
make stiff or stiffer; "Stiffen the cream by adding gelatine" become stiff or stiffer; "He stiffened when he saw his boss enter the room" restrict; "Tighten the rules"; "stiffen the regulations
If something such as cloth is stiffened, it is made firm so that it does not bend easily. This special paper was actually thin, soft Sugiwara paper that had been stiffened with a kind of paste
If you stiffen, you stop moving and stand or sit with muscles that are suddenly tense, for example because you feel afraid or angry. Ada stiffened at the sound of his voice
(Shoe) Counter. A shaped and molded component, usually of impregnated fabric, film, sandwich or leather board, placed between the lining and upper material at the back of the shoe to improve shape retention of the quarters
A reinforcement material that is typically used to provide support or add thickness A stiffener can be made with polyimide, FR4, or PEN film Stiffeners may be found at ZIF areas or where a connector will be assembled Back to Words List
A member used to strengthen another member against buckling or to distribute load or to transfer shear Usually a flat bar, plate, or angle welded perpendicular to the longitudinal axis of the member