英语词汇“trisacetate of lead”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

†a. Used in the early part of the 19th century, after T. Thomson ( First Princ. Chem. (1825) I. p. xx), prefixed to the modified name of the chlorous element or of the acid, denoting that three atoms or molecules, not of this element or acid, but of the other component, are present in the compound named; e.g. trisphosphuret of copper, a compound of one atom of phosphorus and three atoms of copper; trisacetate of lead, a compound of one molecule of acetic acid and three molecules of lead oxide. (Cf. tri- comb. form 3a, note.) Obsolete.

ΚΠ

1836 Pharmacopoeia Royal Coll. Physicians 217 Trisnitrate of Bismuth was formerly employed as a cosmetic under the name of magistery of Bismuth..represented to possess anti-spasmodic powers.

1848 R. D. Thomson School Chem. 39 Greek numerals denote an increase in the base, as B₂O is a Disoxide, or Dinoxide, while BO is a trisoxide. The same nomenclature is applied to the acids.

单词	trisacetate of lead
释义	> as lemmas trisacetate of lead †a. Used in the early part of the 19th century, after T. Thomson ( First Princ. Chem. (1825) I. p. xx), prefixed to the modified name of the chlorous element or of the acid, denoting that three atoms or molecules, not of this element or acid, but of the other component, are present in the compound named; e.g. trisphosphuret of copper, a compound of one atom of phosphorus and three atoms of copper; trisacetate of lead, a compound of one molecule of acetic acid and three molecules of lead oxide. (Cf. tri- comb. form 3a, note.) Obsolete. ΚΠ 1836 Pharmacopoeia Royal Coll. Physicians 217 Trisnitrate of Bismuth was formerly employed as a cosmetic under the name of magistery of Bismuth..represented to possess anti-spasmodic powers. 1848 R. D. Thomson School Chem. 39 Greek numerals denote an increase in the base, as B₂O is a Disoxide, or Dinoxide, while BO is a trisoxide. The same nomenclature is applied to the acids. extracted from tris-comb. form < as lemmas
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> as lemmas