erg

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ɜːɡ/US:USA pronunciation: respellingUSA pronunciation: respelling(Physics ûrg; Geol. erg)


WordReference Random House Unabridged Dictionary of American English © 2025
erg1  (ûrg),USA pronunciation n. [Physics.]
  1. Physicsthe centimeter-gram-second unit of work or energy, equal to the work done by a force of one dyne when its point of application moves through a distance of one centimeter in the direction of the force;
    10-7 joule.
  • Greek érgon work
  • 1870–75

erg2  (erg),USA pronunciation n. [Geol.]
  1. Geologyany vast area covered with sand, as parts of the Sahara Desert.
  • Arabic ’irq
  • French
  • 1870–75

ERG, 
  1. Ophthalmologyelectroretinogram.

erg-, 
  1. var. of ergo- 1 before a vowel:ergodic.

Collins Concise English Dictionary © HarperCollins Publishers::
erg / ɜːɡ/
  1. the cgs unit of work or energy. 1 erg is equivalent to 10–7 joule
Etymology: 19th Century: from Greek ergon work
erg / ɜːɡ/ (ergs, areg)
  1. an area of shifting sand dunes in a desert, esp the Sahara
Etymology: 19th Century: from Arabic `irj
WordReference Random House Unabridged Dictionary of American English © 2025
er•go  (ûrgō, ergō),USA pronunciation conj., adv. 
  1. therefore.
  • Latin
  • 1350–1400

ergo-1 :
  1. a combining form meaning "work'':ergograph.
Also,[esp. before a vowel,] erg-. 
  • combining form representing Greek érgon

ergo-2 :
  1. a combining form of ergot: ergotoxine.
  • French

'erg' also found in these entries (note: many are not synonyms or translations):

Forum discussions with the word(s) "erg" in the title:


Look up "erg" at Merriam-Webster
Look up "erg" at dictionary.com
  • Go to Preferences page and choose from different actions for taps or mouse clicks.

In other languages: Spanish | French | Italian | Portuguese | Romanian | German | Dutch | Swedish | Russian | Polish | Czech | Greek | Turkish | Chinese | Japanese | Korean | Arabic

Advertisements
Advertisements
Report an inappropriate ad.
WordReference.com
WORD OF THE DAY
GET THE DAILY EMAIL!