† persulphurousadj.

Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: per- prefix, sulphurous adj.

Etymology: < per- prefix + sulphurous adj., after French persulfureux (L. J. Gay-Lussac 1817, in Annales de chimie et de physique 6 323).

Chemistry. Obsolete. rare.

= thiosulphuric adj. at thio- comb. form 1.

ΚΠ

1819 J. G. Children Ess. Chem. Anal. 432 A peculiar acid, which he [sc. Lussac] proposed to call the persulphurous, but afterwards changed the name to that of hyposulphurous acid.

This entry has been updated (OED Third Edition, December 2005; most recently modified version published online June 2018).

单词	persulphurous
释义	† persulphurousadj. Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: per- prefix, sulphurous adj. Etymology: < per- prefix + sulphurous adj., after French persulfureux (L. J. Gay-Lussac 1817, in Annales de chimie et de physique 6 323). Chemistry. Obsolete. rare. = thiosulphuric adj. at thio- comb. form 1. ΚΠ 1819 J. G. Children Ess. Chem. Anal. 432 A peculiar acid, which he [sc. Lussac] proposed to call the persulphurous, but afterwards changed the name to that of hyposulphurous acid. This entry has been updated (OED Third Edition, December 2005; most recently modified version published online June 2018). < adj.1819
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