erg

2 definitions found

erg - Collaborative International Dictionary of English v.0.48 :

  Erg \Erg\, n. [Gr. ? work.] (Physics)
     The unit of work or energy in the C. G. S. system, being the
     amount of work done by a dyne working through a distance of
     one centimeter; the amount of energy expended in moving a
     body one centimeter against a force of one dyne (981 dynes
     exert the same force as a one gram mass in the earth's
     gravitational field). One foot pound is equal to 13,560,000
     ergs. The absolute Joule is equivalent to 10^7 ergs, which
     are equivalent to 0.2389 gram-calories at 15[deg] C. See also
     mechanical equivalent of heat under equivalent.
     [1913 Webster +PJC]

erg - WordNet (r) 2.1 (2005) :

  erg
      n 1: a cgs unit of work or energy; the work done by a force of
           one dyne acting over a distance of one centimeter