Richter scale

noun

Rich·​ter scale ˈrik-tər- How to pronounce Richter scale (audio)
: an open-ended logarithmic scale for expressing the magnitude of a seismic disturbance (such as an earthquake) in terms of the energy dissipated in it with 1.5 indicating the smallest earthquake that can be felt, 4.5 an earthquake causing slight damage, and 8.5 a very devastating earthquake

Word History

Etymology

Charles F. Richter

First Known Use

1936, in the meaning defined above

Time Traveler
The first known use of Richter scale was in 1936

Dictionary Entries Near Richter scale

Cite this Entry

“Richter scale.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Richter%20scale. Accessed 8 Feb. 2023.

Kids Definition

Richter scale

noun
Rich·​ter scale ˈrik-tər- How to pronounce Richter scale (audio)
: a scale for expressing the strength of an earthquake
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