Erg

[urg] /ɜrg/

noun, Physics.
1.
the 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.
[erg] /ɛrg/
noun, Geology.
1.
a vast area covered with sand and shifting dunes, as parts of the Sahara Desert.
1.
.
1.
variant of 1. before a vowel:
ergodic.
/ɜːɡ/
noun
1.
the cgs unit of work or energy. 1 erg is equivalent to 10–7 joule
/ɜːɡ/
noun (pl) ergs, areg
1.
an area of shifting sand dunes in a desert, esp the Sahara
/ɜːɡ/
noun
1.
(informal) short for ergometer (sense 2)
n.

unit of energy in the C.G.S. system, coined 1873 by the British Association for the Advancement of Science from Greek ergon “work” (see urge (v.)).

“region of drifting sand dunes,” 1875, from French erg (1854), from North African Arabic ‘irj, from a Berber word.

erg (ûrg)
n.
The centimeter-gram-second unit of energy or work equal to the work done by a force of one dyne acting over a distance of one centimeter.

ERG abbr.
electroretinogram
erg 1
(ûrg)
The unit of energy or work in the centimeter-gram-second system, equal to the force of one dyne over a distance of one centimeter. This unit has been mostly replaced by the joule.
erg 2
(ûrg)
An extensive area of desert covered with sand dunes.
electroretinogram