ferreousとは 意味・読み方・使い方

形容詞

ferreous (comparative more ferreous, superlative most ferreous)

1. (archaic) Synonym of ferrous, of or related to iron.
   • 1646, Thomas Browne, Pseudodoxia Epidemica, Book 6, Chapter XII: "A Digression Concerning Blacknesse", p. 336:

     The ſecond way whereby bodies become blacke, is an Atramentous condition or mixture, that is a vitriolate or copperoſe quality conjoyning with a terreſtrious and aſtringent humidity, for ſo is Atramentum ſcriptorium, or writing Inke commonly made, by copperoſe caſt upon decoction or infuſion of galls... now artificiall copperoſe... is a rough and acrimonious kinde of salt drawne out of ferreous and eruginous earths, partaking chiefly of Iron and Copper, the blew of copper, the green moſt of Iron...