The Collaborative International Dictionary of English v.0.48:

Dyne \Dyne\, n. [Formed fr. Gr. ? power. See Dynamic.]
   (Physics)
   The unit of force, in the C. G. S. (Centimeter Gram Second)
   system of physical units; that is, the force which, acting on
   a gram for a second, generates a velocity of a centimeter per
   second.
   [1913 Webster]

WordNet (r) 3.0 (2006):

dyne
    n 1: a unit of force equal to the force that imparts an
         acceleration of 1 cm/sec/sec to a mass of 1 gram

Moby Thesaurus II by Grady Ward, 1.0:

43 Moby Thesaurus words for "dyne":
   atomerg, calorie, carat, centigram, decagram, decigram, dinamode,
   dram, dram avoirdupois, energid, erg, foot-pound, force, grain,
   gram, horsepower-hour, horsepower-year, hundredweight, joule, kilo,
   kilogram, kilogram-meter, kilowatt-hour, mass, megaton, milligram,
   mole, ounce, ounce avoirdupois, ounce troy, pennyweight, photon,
   pound, pound avoirdupois, pound troy, poundal, quantum, scruple,
   slug, stone, ton, units of weight, weight