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Noun: Beaufort scale  bow-fu(r)t skeyl
  1. An international scale of wind force from 0 (calm air) to 12 (hurricane)
    - wind scale
     
  2. A scale from 0 to 12 for the force of the wind

Type of: graduated table, metric, ordered series, scale, scale of measurement, system of measurement

Encyclopedia: Beaufort scale