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:'''Dynes' redirects here. For the president of the University of California system, see Robert C. Dynes.''
In physics, the 'dyne' (symbol "dyn") is a unit of force specified in the ''centimeter-gram-second'' (cgs) system of units, a predecessor of the modern SI. One dyne is equal to exactly 10^-5 newtons. Further, the dyne can be defined as "the force required to accelerate a mass of one gram at a rate of one centimeter per second squared."
Dynes per centimeter is the measurement usually associated with measuring surface tension. For example, the surface tension of distilled water is 72 dyn/cm at 25 °C (77 °F).
F. f. Greek δυναμις (''dynamis'') power, force.