order of magnitude(redirected from Order-of-magnitude)
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order of magnitude[′ȯrd·ər əv ′mag·nə‚tüd]
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
order of magnitudeA change in quantity or volume as measured by the decimal point. For example, from tens to hundreds is one order of magnitude. Tens to thousands is two orders of magnitude; tens to millions is three orders of magnitude, etc.
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