potassio-comb. form

Stress is usually determined by a subsequent element and vowels may be reduced accordingly.

Origin: Formed within English, by compounding. Etymons: potassium n., -o- connective.

Etymology: < potassium n. + -o- connective.Found only in a small number of formations exemplified below.

Chemistry.

Forming nouns and adjectives denoting the presence of potassium in a compound, esp. in a double salt.

potassio-ferric adj.

Brit.

/pəˌtasɪə(ʊ)ˈfɛrɪk/

U.S.

/pəˌtæsioʊˈfɛrɪk/

/poʊˌtæsioʊˈfɛrɪk/

ΚΠ

1855 H. Watts tr. L. Gmelin Hand-bk. Chem. IX. 158 Potassio-ferric oxalate.

1990 J.-C. Pressac in S. Shapiro Truth Prevails 37 Prussian Blue, or potassioferric ferrocyanide.

potassio-mercuric adj.

Brit.

/pəˌtasɪə(ʊ)məːˈkjʊərɪk/

U.S.

/pəˌtæsioʊˌmərˈkjʊrɪk/

/poʊˌtæsioʊˌmərˈkjʊrɪk/

ΚΠ

1856 H. Watts tr. L. Gmelin Hand-bk. Chem. X. 324 Potassio-mercuric tartrate.

1903 S. Rideal Disinfection & Preservation Food vii. 188 Mercuric iodide..is scarlet, insoluble in water but easily soluble in excess of potassium iodide, to form a double salt, potassio-mercuric iodide. This has lately come into use as a disinfectant.

1933 S. W. Cole Pract. Physiol. Chem. (ed. 9) iii. 77 These [sc. alkaloidal reagents] include..Brücke's reagent (potassiomercuric iodide).

potassio-platinic adj.

Brit.

/pəˌtasɪə(ʊ)pləˈtɪnɪk/

U.S.

/pəˌtæsioʊpləˈtɪnɪk/

/poʊˌtæsioʊpləˈtɪnɪk/

ΚΠ

1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) 875 The platinum salt..forms orange-yellow octohedrons, which are about as soluble as the corresponding potassio-platinic salt.

1920 Jrnl. Industr. & Engin. Chem. 13 770/2 A 2 per cent solution of potassio-platinic chloride.

† potassio platinum n. Obsolete rare

ΚΠ

1873 C. H. Ralfe Outl. Physiol. Chem. 108 The potassio platinum chloride removed by filtration.

† potassio-tartrate n. Obsolete

ΚΠ

1851 W. Bastick in Pharm. Jrnl. & Trans. 10 445 He assumes that the potassio-tartrate of iron..is a normal persalt.

1897 T. C. Allbutt et al. Syst. Med. IV. 403 A little tartrate of potash, or potassio-tartrate of soda may be given.

This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022).

单词	potassio-
释义	potassio-comb. form Stress is usually determined by a subsequent element and vowels may be reduced accordingly. Origin: Formed within English, by compounding. Etymons: potassium n., -o- connective. Etymology: < potassium n. + -o- connective.Found only in a small number of formations exemplified below. Chemistry. Forming nouns and adjectives denoting the presence of potassium in a compound, esp. in a double salt. potassio-ferric adj. Brit. /pəˌtasɪə(ʊ)ˈfɛrɪk/ , U.S. /pəˌtæsioʊˈfɛrɪk/ , /poʊˌtæsioʊˈfɛrɪk/ ΚΠ 1855 H. Watts tr. L. Gmelin Hand-bk. Chem. IX. 158 Potassio-ferric oxalate. 1990 J.-C. Pressac in S. Shapiro Truth Prevails 37 Prussian Blue, or potassioferric ferrocyanide. potassio-mercuric adj. Brit. /pəˌtasɪə(ʊ)məːˈkjʊərɪk/ , U.S. /pəˌtæsioʊˌmərˈkjʊrɪk/ , /poʊˌtæsioʊˌmərˈkjʊrɪk/ ΚΠ 1856 H. Watts tr. L. Gmelin Hand-bk. Chem. X. 324 Potassio-mercuric tartrate. 1903 S. Rideal Disinfection & Preservation Food vii. 188 Mercuric iodide..is scarlet, insoluble in water but easily soluble in excess of potassium iodide, to form a double salt, potassio-mercuric iodide. This has lately come into use as a disinfectant. 1933 S. W. Cole Pract. Physiol. Chem. (ed. 9) iii. 77 These [sc. alkaloidal reagents] include..Brücke's reagent (potassiomercuric iodide). potassio-platinic adj. Brit. /pəˌtasɪə(ʊ)pləˈtɪnɪk/ , U.S. /pəˌtæsioʊpləˈtɪnɪk/ , /poʊˌtæsioʊpləˈtɪnɪk/ ΚΠ 1868 H. B. Jones & H. Watts Fownes's Man. Elem. Chem. (ed. 10) 875 The platinum salt..forms orange-yellow octohedrons, which are about as soluble as the corresponding potassio-platinic salt. 1920 Jrnl. Industr. & Engin. Chem. 13 770/2 A 2 per cent solution of potassio-platinic chloride. † potassio platinum n. Obsolete rare ΚΠ 1873 C. H. Ralfe Outl. Physiol. Chem. 108 The potassio platinum chloride removed by filtration. † potassio-tartrate n. Obsolete ΚΠ 1851 W. Bastick in Pharm. Jrnl. & Trans. 10 445 He assumes that the potassio-tartrate of iron..is a normal persalt. 1897 T. C. Allbutt et al. Syst. Med. IV. 403 A little tartrate of potash, or potassio-tartrate of soda may be given. This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022). < comb. form1851
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