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3 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 erg /ˈɝg/
 爾格[功的單位]

From: Webster's Revised Unabridged Dictionary (1913)

 Erg n.  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 10⁷ ergs, which are equivalent to 0.2389 gram-calories at 15° C.  See also mechanical equivalent of heat under equivalent.
 

From: WordNet (r) 2.0

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