erg1 Syllabification: (erg)Pronunciation: /ərg/Definition of erg noun Physics a unit of work or energy, equal to the work done by a force of one dyne when its point of application moves one centimeter in the direction of action of the force. Origin: late 19th century: from Greek ergon 'work'erg in other Oxford dictionaries Definition of erg in the British & World English dictionary
