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1. (n.) Richter scale
a logarithmic scale for expressing the magnitude of an earthquake, a measurement under 5 considered minor and over 7 indicating major destruction.
Etymology: (1935–40; after Charles F. Richter (1900–85), U.S. seismologist)
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| Definition of 'richter scale' |
Princeton's WordNet |
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1. (noun) Richter scale
a logarithmic scale of 1 to 10 formerly used to express the magnitude of an earthquake on the basis of the size of seismograph oscillations
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