AskDefine | Define erg

Dictionary Definition

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

User Contributed Dictionary

English

Pronunciation

Etymology 1

From Greek ἔργον ‘work’.

Noun

  1. The unit of work or energy, being the amount of work done by a dyne working through a distance of one centimeter.
Translations
unit of work or energy
  • Japanese: エルグ

Etymology 2

From French erg, from Maghrebi Arabic (‘erg), corresponding to Standard Arabic (‘irq).

Noun

  1. A large desert region of sand dunes, especially in the Sahara.

Dutch

Adverb

erg
  1. very
    Het appartement was erg klein.
    The apartment was very small.

Old Norse

Noun

erg
  1. hill-pasture

Extensive Definition

For other uses see Erg (disambiguation)
An erg is the unit of energy and mechanical work in the centimetre-gram-second (CGS) system of units, symbol "erg". Its name is derived from the Greek ergon meaning work OED].
The erg is a small unit, equal to a force of one dyne exerted for a distance of one centimetre. In the CGS base units, it is equal to one gram centimetre-squared per second squared (g·cm²/s²). It is thus equal to 1 × 10−7 joules or 100 nanojoule (nJ) in SI units.
1 erg = 10−7 joule
1 erg = 6.2415 GeV = 6.2415 eV
1 joule = 107 erg
1 dyn cm = 1 erg.
erg in Danish: Erg (måleenhed)
erg in German: Erg (Einheit)
erg in Spanish: Ergio
erg in Esperanto: Ergo
erg in Basque: Erg
erg in Persian: ارگ (یکا)
erg in French: Erg (unité)
erg in Italian: Erg
erg in Hebrew: ארג
erg in Dutch: Erg
erg in Japanese: エルグ
erg in Polish: Erg (jednostka)
erg in Portuguese: Erg
erg in Russian: Эрг
erg in Slovenian: Erg
erg in Finnish: Ergi
erg in Swedish: Erg
erg in Turkish: Erg
erg in Ukrainian: Ерг
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