order of magnitude

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Related to Scale (order of magnitude): Moment magnitude scale

order of magnitude

n. pl. orders of magnitude
1. An estimate of size or magnitude expressed as a power of ten: Earth's mass is of the order of magnitude of 1022 tons; that of the sun is 1027 tons.
2. A range of values between a designated lower value and an upper value ten times as large: The masses of Earth and the sun differ by five orders of magnitude.

order of magnitude

n
(Statistics) 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
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.order of magnitude - a degree in a continuum of size or quantity; "it was on the order of a mile"; "an explosion of a low order of magnitude"
magnitude - the property of relative size or extent (whether large or small); "they tried to predict the magnitude of the explosion"; "about the magnitude of a small pea"
2.order of magnitude - a number assigned to the ratio of two quantitiesorder of magnitude - a number assigned to the ratio of two quantities; two quantities are of the same order of magnitude if one is less than 10 times as large as the other; the number of magnitudes that the quantities differ is specified to within a power of 10
ratio - the relative magnitudes of two quantities (usually expressed as a quotient)
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