gypsa

名词 n.
中文释义

英文释义

名词 n.
  1. plural of gypsum form-of,plural
    — When a ſmall quantity of any gypſum is melted together with borax, the glaſs becomes colourleſs and tranſparent; but I have found ſome ſorts of alabaſter and ſparry gypſa that, when melted in ſome quantity with borax, yield a fine yellow tranſparent colour, reſembling that of the beſt topaſes.

词源

From Latin gypsa, plural of gypsum.
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