order of magnitude


noun

the approximate size of something, esp measured in powers of 10the order of magnitude of the deficit was as expected; their estimates differ by an order of magnitude Also called: order

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Cultural definitions for order of magnitude

order of magnitude

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 New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.