緩衝材 かんしょうざい Meanings Noun cushioning; packaging Kanji 緩 loose. Read as カン. 衝 collide. Read as ショウ. 材 material. Read as ザイ. Words containing 緩衝材 気泡緩衝材 (きほうかんしょうざい) bubble wrap Jinuma: Japanese Dictionary · Word lists