二重窓 にじゅうまど Meanings Noun double-glazed window; double window; storm window Kanji 二 two. Read as ニ. 重 heavy. Read as ジュウ. 窓 window. Read as まど. Words containing 二重窓 二重窓ガラス (にじゅうまどガラス) double glazing Jinuma: Japanese Dictionary · Word lists