dichloriden.
/(ˌ)dʌɪˈklɔːrʌɪd/, U.S. /daɪˈklɔˌraɪd/ Chemistry.† 2. A compound of chlorine with two atoms of another element (see di- comb. form 2a ⁋). Obsolete.
1. A chloride containing two atoms of chlorine in its molecule or empirical formula. Cf. bichloride n., deuto-chloride at deuto- comb. form 1.In quot. 1812, introduced hypothetically in a discussion of Davy's system of nomenclature (cf. -ane suffix2 1). Otherwise sense 2 is earlier.
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the world > matter > chemistry > elements and compounds > metals > specific elements > chlorine > [noun] > compounds > by number of chlorine atoms
dichloride1812
bichloride1823
trichloride1863
1812 Q. Rev. Sept. 76 We do not apprehend that the word ‘chlorid, following the analogy of oxyd’, (p. vii,) would have been a more ‘theoretical expression’ than the termination ane, and we might add to it, if necessary, dichlorid and trichlorid.
1859 Proc. Royal Soc. 1857–9 9 618 Dichloride of platinum..PtCl2.
1868 H. Watts Dict. Chem. V. 135 The dichloride, RuCl2, is produced, together with the trichloride, by igniting pulverised ruthenium in a stream of chlorine.
1906 H. J. H. Fenton Notes Qualitative Anal. (new ed.) 34 Distilled with dry potassium dichromate and concentrated H2SO4, chromyl dichloride (‘chlorochromic acid’) is obtained.
1964 L. H. Van Vlack Elements Materials Sci. (ed. 2) ii. 46 Sulfur dichloride has a molecular weight of 103 and a boiling point of 59°C.
2009 Chicago Daily Herald (Nexis) 19 June 5 The mixture of trichloride and dichloride gave off a cloud of chlorine gas.
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the world > matter > chemistry > elements and compounds > metals > specific elements > chlorine > [noun] > compounds > miscellaneous others
phosgene1812
dichloride1825
chlorine1832
oxychloride1840
chemic1843
chromyl chloride1869
auro-chloride1875
1825 T. Thomson Attempt to Establish First Princ. Chem. II. 45 I found that these scales constitute a dichloride of antimony composed of 1 atom chlorine..2 atoms antimony.
1826 W. Henry Elements Exper. Chem. (ed. 10) II. xxx. 110 The protochloride will be a dichloride, containing 2 atoms of copper (64) + 1 atom of chlorine (36), and its equivalent 100.
1880 J. Percy Metall.: Silver & Gold i. 71 At the bottom of the tube were a few detached crystals with distinct triangular faces, which dissolved in ammonia-water and resembled dichloride of copper, Cu2Cl [Cu2Cl2].
This entry has been updated (OED Third Edition, March 2014; most recently modified version published online March 2022).
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n.1812