半臂 はんぴ noun (common) (futsuumeishi) short-sleeved (or sleeveless) undergarment worn by aristocratic men ◄ ►
反比 逆比 word containing irregular kanji usage はんぴ 反比 ぎゃくひ 逆比 noun (common) (futsuumeishi) inverse ratio ◄ ►