Beaufort scale
WordNet

noun


(1)   A scale from 0 to 12 for the force of the wind
(2)   An international scale of wind force from 0 (calm air) to 12 (hurricane)
WiktionaryText

Etymology


Created by Irish hydrographer and British navy officer Francis Beaufort in 1806.

Noun



  1. An empirical measure for the intensity of the wind based mainly on the state of the sea or wave conditions.
 
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