blue vitriol
present participle of unvizard
(transitive, obsolete) Alternative spelling of mew (“to moult”)
(obsolete, chemistry) copper sulphate
Inadequate parenting; failure to interact sufficiently with one's child.
化学者は銅めっき用の溶液を作るために、少量の硫酸銅を慎重に溶かした。
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