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A unit of horizontal gradient of gravitational acceleration, equal to a change in gravitational acceleration of 10-9 galileo over a horizontal distance of 1 centimeter.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



(also Eötvös unit), a subsidiary unit of gradient of acceleration of free fall in a gravitational field, equal to a change in acceleration of 10–6 m/sec2 upon a change in altitude of 1 km—that is, equal to 10–9 sec–2. The unit is named for L. von Eötvös.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.