LEARNit Dictionary
the Beaufort scale
noun
/ðə ˈbəʊfət skeɪl/
UK
/ðə ˈbəʊfərt skeɪl/
US
1
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).
مقیاس بوفر, مقیاس بیوفورت