erg

1
[ urg ]
/ ɜrg /

noun Physics.

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.

Origin of erg

1
1870–75; < Greek érgon work

Definition for erg (2 of 4)

erg

2
[ erg ]
/ ɛrg /

noun Geology.

a vast area covered with sand and shifting dunes, as parts of the Sahara Desert.

Origin of erg

2
1870–75; < French < Arabic ʾirq

Definition for erg (3 of 4)

Definition for erg (4 of 4)

ergo-

1

a combining form meaning “work”: ergograph.
Also especially before a vowel, erg-.

Origin of ergo-

1
combining form representing Greek érgon
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for erg

British Dictionary definitions for erg (1 of 3)

erg

1
/ (ɜːɡ) /

noun

the cgs unit of work or energy. 1 erg is equivalent to 10 –7 joule

Word Origin for erg

C19: from Greek ergon work

British Dictionary definitions for erg (2 of 3)

erg

2
/ (ɜːɡ) /

noun plural ergs or areg

an area of shifting sand dunes in a desert, esp the Sahara

Word Origin for erg

C19: from Arabic `irj

British Dictionary definitions for erg (3 of 3)

erg

3
/ (ɜːɡ) /

noun

informal short for ergometer (def. 2)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for erg (1 of 3)

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.

Medicine definitions for erg (2 of 3)

ERG


abbr.

electroretinogram

Medicine definitions for erg (3 of 3)

ergo-


pref.

Work:ergometer.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for erg (1 of 2)

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.

Science definitions for erg (2 of 2)

erg

2
[ ûrg ]

An extensive area of desert covered with shifting sand dunes.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.