Noun order of magnitude has 2 senses
- order, 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"
--1 is a kind of magnitude
- order of magnitude, 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
--2 is a kind of ratio
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