Meaning: こうしつn. (Kanji=後室) dowager, stately elderly lady; widow, woman whose husband has diedn. (Kanji=皇室) Imperial Householdn. (Kanji=硬質) hardness, stiffness, firmnessn. (Kanji=鉱質) mineral, natural substance belonging to a group of inorganic (often crystalline) compounds which are found in the earth, that which is not animal or vegetablen. (Kanji=膠漆) glue and lacquer, great intimacyn. (Kanji=膠質) colloid, sticky substance composed of particles that do not dissolve in other substances