mercurousadj.

Brit.

/ˈməːkjᵿrəs/, U.S.

/ˈmərkjərəs/

Origin: Either (i) a borrowing from French. Or (ii) formed within English, by derivation. Etymons: French mercureux ; mercury n., -ous suffix.

Etymology: Either < French mercureux (1840), or independently < mercury n. + -ous suffix. Compare earlier mercuric adj. and mercurious adj.

Chemistry.

Of or containing mercury in the monovalent state. Cf. mercuric adj. 2.

ΘΚΠ

the world > matter > chemistry > elements and compounds > metals > specific elements > mercury > [adjective] > compounds

mercuric acid1789

mercurous1858

1858 Philos. Trans. (Royal Soc.) 148 163 Hitherto no successful attempt appears to have been made to convert these bases from the mercurous to the mercuric type.

1888 Chem. Photogr. (1889) 269 The photo-oxidation of lead compounds, of mercurous oxide,..and of sulphides, proceeds more rapidly in the red than in the violet rays.

1895 W. A. Tilden Introd. Study Chem. Philos. v. xxv. 276 The formulæ of the mercurous compounds.

1950 N. V. Sidgwick Chem. Elements I. 291 The mercurous ion is diatomic, in striking contrast to the monatomic cuprous ion.

1988 F. A. Cotton & G. Wilkinson Adv. Inorg. Chem. (ed. 5) xvi. 603 Other known mercurous salts are the sparingly soluble sulfate, chlorate, bromate, iodate, and acetate.

Compounds

mercurous chloride n. = calomel n.

ΘΚΠ

the world > matter > chemistry > chemical substances > salts > [noun]

salc1386

salsature1650

salt1789

amphid1842

mercurous chloride1859

the world > health and disease > healing > medicines or physic > medicines of specific form > powder > [noun] > specific powders > prepared from minerals

Irish slate1633

slat1639

calomel1676

grey powder1842

mercurous chloride1859

1859 Proc. Royal Soc. 1857–9 9 311 Mercurous chloride reacts with vigour on zinc-ethyl.

1888 Jrnl. Chem. Soc. 54 586 (heading) Compounds of phenoxides with cuprons and mercurous chlorides.

1975 M. R. Jenkins in B. L. Williams & K. Wilson Biologist's Guide to Princ. & Techniques Pract. Biochem. vii. 202 Calomel electrodes..consist of a solution of mercurous chloride (calomel) and potassium chloride in contact with solid mercurous chloride and mercury.

mercurous sulphate n. a white or yellowish crystalline solid, Hg₂SO₄, used in the manufacture of batteries; cf. turpeth mineral n. at turpeth n. 2.

ΚΠ

1866 Philos. Trans. (Royal Soc.) 156 826 (table) Mercurous sulphate.

1899 T. C. Allbutt et al. Syst. Med. VIII. 516 Native mercurous sulphate (turpeth mineral) is much used in France.

1946 Thorpe's Dict. Appl. Chem. (ed. 4) VII. 572/2 Mercurous sulphate is used in saturated solution in the Weston standard cell.

This entry has been updated (OED Third Edition, September 2001; most recently modified version published online March 2022).

单词	mercurous
释义	mercurousadj. Brit. /ˈməːkjᵿrəs/, U.S. /ˈmərkjərəs/ Origin: Either (i) a borrowing from French. Or (ii) formed within English, by derivation. Etymons: French mercureux ; mercury n., -ous suffix. Etymology: Either < French mercureux (1840), or independently < mercury n. + -ous suffix. Compare earlier mercuric adj. and mercurious adj. Chemistry. Of or containing mercury in the monovalent state. Cf. mercuric adj. 2. ΘΚΠ the world > matter > chemistry > elements and compounds > metals > specific elements > mercury > [adjective] > compounds mercuric acid1789 mercurous1858 1858 Philos. Trans. (Royal Soc.) 148 163 Hitherto no successful attempt appears to have been made to convert these bases from the mercurous to the mercuric type. 1888 Chem. Photogr. (1889) 269 The photo-oxidation of lead compounds, of mercurous oxide,..and of sulphides, proceeds more rapidly in the red than in the violet rays. 1895 W. A. Tilden Introd. Study Chem. Philos. v. xxv. 276 The formulæ of the mercurous compounds. 1950 N. V. Sidgwick Chem. Elements I. 291 The mercurous ion is diatomic, in striking contrast to the monatomic cuprous ion. 1988 F. A. Cotton & G. Wilkinson Adv. Inorg. Chem. (ed. 5) xvi. 603 Other known mercurous salts are the sparingly soluble sulfate, chlorate, bromate, iodate, and acetate. Compounds mercurous chloride n. = calomel n. ΘΚΠ the world > matter > chemistry > chemical substances > salts > [noun] salc1386 salsature1650 salt1789 amphid1842 mercurous chloride1859 the world > health and disease > healing > medicines or physic > medicines of specific form > powder > [noun] > specific powders > prepared from minerals Irish slate1633 slat1639 calomel1676 grey powder1842 mercurous chloride1859 1859 Proc. Royal Soc. 1857–9 9 311 Mercurous chloride reacts with vigour on zinc-ethyl. 1888 Jrnl. Chem. Soc. 54 586 (heading) Compounds of phenoxides with cuprons and mercurous chlorides. 1975 M. R. Jenkins in B. L. Williams & K. Wilson Biologist's Guide to Princ. & Techniques Pract. Biochem. vii. 202 Calomel electrodes..consist of a solution of mercurous chloride (calomel) and potassium chloride in contact with solid mercurous chloride and mercury. mercurous sulphate n. a white or yellowish crystalline solid, Hg₂SO₄, used in the manufacture of batteries; cf. turpeth mineral n. at turpeth n. 2. ΚΠ 1866 Philos. Trans. (Royal Soc.) 156 826 (table) Mercurous sulphate. 1899 T. C. Allbutt et al. Syst. Med. VIII. 516 Native mercurous sulphate (turpeth mineral) is much used in France. 1946 Thorpe's Dict. Appl. Chem. (ed. 4) VII. 572/2 Mercurous sulphate is used in saturated solution in the Weston standard cell. This entry has been updated (OED Third Edition, September 2001; most recently modified version published online March 2022). < adj.1858
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