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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. |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
erg 2  (ûrg)
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Tweet n. An extensive area of desert covered with shifting sand dunes. [Colloquial Arabic (Maghrebi dialect) 'arq, 'arg, from Arabic 'irq, vein, small mountain, thin tract of sand extending along the ground (in reference to the veinlike appearance of the dunes); see ʿrq1 in the Appendix of Semitic roots.] |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
