風力階級 ふうりょくかいきゅう Meanings Noun wind velocity scale Kanji 風 wind. Read as フウ. 力 power. Read as リョク. 階 floor. Read as カイ. 級 grade. Read as キュウ. Words containing 風力階級 ビューフォート風力階級 (ビューフォートふうりょくかいきゅう) Beaufort scale (of wind force) Jinuma: Japanese Dictionary · Word lists