Roman alum
Third-person singular simple present indicative form of beshroud
plural of permabear
plural of mole fraction
A cubical potassium alum formerly obtained in large quantities from Italian alunite, and highly valued by dyers on account of its freedom from iron.
染色職人は、正確な色合いを出すために、かつてイタリア産の土明礬から大量に得られ、鉄分がほとんどない立方晶の硫酸カリウム明礬を使うことにこだわった。
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