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order of magnitude

noun
1.
the approximate size of something, esp measured in powers of 10 the order of magnitude of the deficit was as expected, their estimates differ by an order of magnitude Also called order
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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order of magnitude in Culture

order of magnitude definition


A rough measure of the size, or magnitude, of something, expressed as a power of ten: “The mass of the Earth is of the order of magnitude of 1024 kilograms.” Also, the range of values that such a rough statement applies to.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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