haloidadj.n.

/ˈhalɔɪd/

/ˈhaləʊɪd/

Etymology: < Greek ἅλς salt + -oid suffix.

Chemistry.

A. adj.

Having a composition like that of common salt (sodium chloride, NaCl); applied to all salts formed by the simple union of a halogen with a metal, as potassium iodide, KI. Now rare.

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haloid1841

1841 Penny Cycl. XX. 369/2 Common salt is the principal of a class composed of a metal and such bodies as chlorine, iodine, bromine, and fluorine, and the radicals of the hydracids, and which are included by Berzelius in his class of haloid-salts..because in constitution they are analogous to sea-salt.

1863–74 H. Watts Dict. Chem. III. 6 The term haloïd is still occasionally applied to the chlorides, bromides, iodides, fluorides, and cyanides.

1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) 540 Haloid Ethers.—Compounds of hydrocarbons with halogens.

1875 R. Hunt & F. W. Rudler Ure's Dict. Arts (ed. 7) II. 782 Modern ideas on the constitution of salts have greatly tended to weaken the old distinction between haloïd salts and oxysalts.

B. n.

A salt of this nature. Superseded by halide.

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the world > matter > chemistry > chemical substances > salts > [noun] > salts named by atomic number > haloids

haloid1846

halide1876

1846 in J. E. Worcester Universal Dict. Eng. Lang.

1854 C. A. Harris Dict. Med. Terminol., Dental Surg., & Collateral Sci. (ed. 2) at Halogens Salts thus formed are termed haloids.

1881 S. Thompson in Design & Work 24 Dec. 454 Chief amongst those substances are chlorine and the haloids.

This entry has not yet been fully updated (first published 1898; most recently modified version published online June 2018).

单词	haloid
释义	haloidadj.n. /ˈhalɔɪd//ˈhaləʊɪd/ Etymology: < Greek ἅλς salt + -oid suffix. Chemistry. A. adj. Having a composition like that of common salt (sodium chloride, NaCl); applied to all salts formed by the simple union of a halogen with a metal, as potassium iodide, KI. Now rare. ΘΚΠ the world > matter > chemistry > chemical substances > salts > [adjective] > named salts > haloid haloid1841 1841 Penny Cycl. XX. 369/2 Common salt is the principal of a class composed of a metal and such bodies as chlorine, iodine, bromine, and fluorine, and the radicals of the hydracids, and which are included by Berzelius in his class of haloid-salts..because in constitution they are analogous to sea-salt. 1863–74 H. Watts Dict. Chem. III. 6 The term haloïd is still occasionally applied to the chlorides, bromides, iodides, fluorides, and cyanides. 1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) 540 Haloid Ethers.—Compounds of hydrocarbons with halogens. 1875 R. Hunt & F. W. Rudler Ure's Dict. Arts (ed. 7) II. 782 Modern ideas on the constitution of salts have greatly tended to weaken the old distinction between haloïd salts and oxysalts. B. n. A salt of this nature. Superseded by halide. ΘΚΠ the world > matter > chemistry > chemical substances > salts > [noun] > salts named by atomic number > haloids haloid1846 halide1876 1846 in J. E. Worcester Universal Dict. Eng. Lang. 1854 C. A. Harris Dict. Med. Terminol., Dental Surg., & Collateral Sci. (ed. 2) at Halogens Salts thus formed are termed haloids. 1881 S. Thompson in Design & Work 24 Dec. 454 Chief amongst those substances are chlorine and the haloids. This entry has not yet been fully updated (first published 1898; most recently modified version published online June 2018). < adj.n.1841
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