¦ noun Physics a unit of force that, acting on a mass of one gram, increases its velocity by one centimetre per second every second along the direction in which it acts.
The dyne (symbol: dyn; from Ancient Greek δύναμις (dúnamis) 'power, force') is a derived unit of force specified in the centimetre–gram–second (CGS) system of units, a predecessor of the modern SI.