order of magnitude
Noun
Meaning
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
a degree in a continuum of size or quantity
Source: WordNetSynonyms
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Examples
it was on the order of a mile
an explosion of a low order of magnitude
Altair's total X-ray luminosity is at least an order of magnitude larger than the X-ray luminosity for Vega.
Although MICAS is more sensitive, its field-of-view is an order of magnitude smaller, creating a greater information processing burden.
A new and emergent behavior called bufferbloat can also cause increased latency that is an order of magnitude or more.
As for water vapor, the tritium concentration was approximately one order of magnitude greater than surface seawater concentrations (ranging from 0.46 to 1.15 Bq/liter).