American English

Definition of the Beaufort scale noun from the Oxford Advanced American Dictionary


the Beaufort scale

NAmE//ˈboʊfərt ˌskeɪl//
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a range of numbers used for measuring how strongly the wind is blowing. The lowest number 0 means that there is no wind and the highest number 12 means that there is a hurricane (= a violent storm with very strong winds) The storm measured 10 on the Beaufort scale. From Sir Francis Beaufort, the English admiral who invented it.
See the Oxford Advanced Learner's Dictionary entry: the Beaufort scale