# logarithmic scale

## noun

: a scale on which the actual distance of a point from the scale's zero is proportional to the logarithm of the corresponding scale number rather than to the number itself compare arithmetic scale

## Examples of logarithmic scale in a Sentence

Recent Examples on the Web Jeremy Reimer Messaging users over time, logarithmic scale. Jeremy Reimer, Ars Technica, 29 Apr. 2024 Because decibels are measured on a logarithmic scale, that’s a halving of sound energy, easily noticeable by the human ear. Joanne Silberner, Scientific American, 16 Apr. 2024 Graphed out using a logarithmic scale, this information showed up as a downward 45 degree slope, or a minus one slope. Rachel Feltman, Popular Science, 8 Nov. 2023 This scale conveys magnitude on a base-10 logarithmic scale, which is a fancy way of saying that each order of magnitude represents a 10-times increase in intensity from the last one. Sven Karabegovic, The Salt Lake Tribune, 5 Sep. 2023 Colors indicate, in logarithmic scale, from dark to bright, the spots more likely to be occupied by drivers on that trip. Marta González, Mit; Antonio Lima, Discover Magazine, 16 Mar. 2016 But the February 6 earthquake was a 7.8—about four times bigger on the logarithmic scale of earthquake magnitudes. Andrea Thompson, Scientific American, 22 Feb. 2023 Earthquake magnitudes at this size are measured in the logarithmic scale: moment magnitude. Daniel Wolfe, Washington Post, 9 Feb. 2023 Although today's quake technically satisfies that prediction, the logarithmic scale used for measuring the power of earthquakes means that a magnitude-8.9 earthquake releases well over 100 times more energy than does a magnitude-7.5 quake. Patrick Morgan, Discover Magazine, 11 Mar. 2011

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'logarithmic scale.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

## Word History

First Known Use

1740, in the meaning defined above

Time Traveler
The first known use of logarithmic scale was in 1740

## Dictionary Entries Near logarithmic scale

logarithmic scale

## Cite this Entry

“Logarithmic scale.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/logarithmic%20scale. Accessed 15 Jul. 2024.

Last Updated: - Updated example sentences
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