The dyne is a derived unit of force specified in the centimetre–gram–second system of units, a predecessor of the modern SI.

Which unit is Dyn?

dyne, unit of force in the centimetre-gram-second system of physical units, equal to the force that would give a free mass of one gram an acceleration of one centimetre per second per second.

What is dyn cm?

A dyne per centimeter is a unit of force. A dyne is defined as the force required to accelerate a mass of one gram at a rate of one centimeter per second squared. A dyne per centimeter is the unit traditionally used to measure surface tension and interfacial tension.