screwback angličtina

Význam screwback význam

Co v angličtině znamená screwback?

screwback podstatné jméno

— The period of screw rotation during injection molding when the plastic can flow into the mold. — A hook-shapped attachment for an earring that sits behind the earlobe and tightens with a screw. Also, an earring that uses this type of attachment. — A mechanism for attaching a small item to clothing that operates by a post which goes through the cloth and a small backing plate that screws to the post. Also, the medal, tie pin, button, etc. that uses this type of attachment. — A type of case for a pocket watch where the mechanism is accessed by a removable back plate that screws onto the back of the case. Also, a watch that has such a case. — (snooker, pool, billiards) The effect of putting backspin on the cue ball. — (golf) A powerful shot that imparts a spin to the ball. — (ping-pong) A half-volley executed by holding the racket loosely and swinging it straight at the ball. — (architecture) A masonry abutment on an arch that is wedge-shaped in order to transmit the thrust downward. — An industrial digging machine that uses a large screw at the back to drill into the ground. — A type of propeller in which the blades are angled to produce a motion similar to threading a screw. Also, the angle of the blades on such a propeller. — masonry abutment

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