order of magnitude
- 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.
- 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 - Computer Definition
A 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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