Rich ‧ ter scale /ˈrɪktə ˌskeɪl, ˈrɪx- $ -tər-/ BrE AmE noun
the Richter scale a system of numbers used for measuring how powerful an ↑ earthquake is:
a severe earthquake measuring 7.2 on the Richter scale
Rich ‧ ter scale /ˈrɪktə ˌskeɪl, ˈrɪx- $ -tər-/ BrE AmE noun
the Richter scale a system of numbers used for measuring how powerful an ↑ earthquake is:
a severe earthquake measuring 7.2 on the Richter scale
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012