防水性 ぼうすいせい Meanings Noun, の-adjective waterproof property Kanji 防 defend. Read as ボウ. 水 water. Read as スイ. 性 nature. Read as セイ. Words containing 防水性 透湿防水性素材 (とうしつぼうすいせいそざい) breathable-waterproof material Jinuma: Japanese Dictionary · Word lists