平滑 へいかつ Meanings な-adjective, Noun flat and smooth Kanji 平 flat. Read as ヘイ. 滑 slide. Read as カツ. Words containing 平滑 平滑筋 (へいかつきん) smooth muscle 平滑化 (へいかつか) smoothing (of data) Jinuma: Japanese Dictionary · Word lists