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- DictionaryOr·der of mag·ni·tude/ˌôrdər əv ˈmaɡnəˌto͞od/
noun
- 1. a class in a system of classification determined by size, each class being a number of times (usually ten) greater or smaller than the one before: "values might be compared by order of magnitude, a staple in making ballpark estimates"
An order of magnitude is an exponential change of plus or minus 1 in the value of a quantity or unit. The term is generally used in conjunction with power-of-10 scientific notation. Order of magnitude is used to make the size of numbers and measurements of things more intuitive and understandable.
Jul 16, 2020 · An order of magnitude is the class of scale of any amount in which each class contains values of a fixed ratio to the class preceding it. In its most common usage, the amount scaled is 10, and the scale is the exponent applied to this amount (therefore, to be an order of magnitude greater is to be 10 times, or 10 to the power of 1, greater).
Nov 21, 2023 · A mathematical definition of order of magnitude is "a value or size measured by a factor of ten" and is intricately connected to our base numeral system built around powers of...
ORDER OF MAGNITUDE definition: 1. the approximate size of something, especially a number: 2. a level in a system used for…. Learn more.
An order of magnitude is an approximation of the logarithm of a value relative to some contextually understood reference value, usually ten, interpreted as the base of the logarithm and the representative of values of magnitude one.
Add to word list. the approximate size of something, especially a number: The country's debt this year will be of the same order of magnitude as it was last year. mathematics specialized. a level in a system used for measuring something in which each level is ten times larger than the one before:
Order of magnitude definition: the approximate size of something, esp measured in powers of 10. See examples of ORDER OF MAGNITUDE used in a sentence.
