Order of Magnitude

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Order of Magnitude

</dt>
A factor of 10. Compare octave, magnitude. </dd>
Two quantities of the same kind which differ by less than a factor of 10 are said to be of the same order of magnitude. Order of magnitude is used loosely by many writers to mean a pronounced difference in quantity but the difference may be much less or much more than a factor of 10. </dd>

References

This article is based on NASA's Dictionary of Technical Terms for Aerospace Use