1. plural of downspin; rotations or spins directed downward, or a downward spinning motion
Usage: technical; sports/physics context
2. in particle physics, the plural of downspin; a quantum property of certain particles
Usage: physics; technical

Examples

• The tennis player applied downspins to slow the ball's forward motion.
• In billiards, downspins cause the cue ball to draw backward after impact.
• The physicist measured the downspins of electrons in the magnetic field.
• Multiple downspins were observed in the particle collision data.
• The golfer used downspins to control the ball's trajectory on the green.