sphragide

发音

US /ˈsfræd͡ʒaɪd/
UK /ˈsfræd͡ʒaɪd/

词形变化

sphragides 复数 sphragides

释义与例句

n.
  1. 1.

    An aluminous earth of a grayish yellow color; a medicinal clay.

    可数 不可数 化学 地质

词源

From Latin sphragis, sphragidis (“Lemnian earth”), from Ancient Greek σφραγίς (sphragís, “a seal”), so called because sold in sealed packets.

来源：wiktionary