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单词 mangano-
释义

mangano-comb. form1

Stress is usually determined by a subsequent element and vowels may be reduced accordingly; see e.g. manganosiderite n.
Origin: A borrowing from German. Etymon: German Mangano-.
Etymology: < German Mangano- as an element in the names of minerals (as Manganocalcit manganocalcite n.) < Mangan (see mangan- comb. form) + -o- -o- connective.English formations are found from the late 19th cent.
Mineralogy.
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Forming names of minerals and varieties of minerals containing manganese (often in high proportion), as manganocolumbite, manganotantalite. Cf. mangan- comb. form.
This entry has been updated (OED Third Edition, September 2000; most recently modified version published online December 2018).

mangano-comb. form2

Stress is usually determined by a subsequent element and vowels may be reduced accordingly.
Origin: Formed within English, by compounding. Etymons: manganese n., -o- connective.
Etymology: < mangan- (in manganese n.) + -o- connective, after ferro- comb. form 1a. Compare mangani- comb. form and note at that entry, and also mangano- comb. form1, mangan- comb. form.Formations are found from the mid 19th cent.
Chemistry.
Forming the names of chemical compounds, chiefly cyanides, which contain manganese in the divalent state. Cf. mangani- comb. form.
manganocyanic adj.
Brit. /ˌmaŋɡənə(ʊ)sʌɪˈanɪk/
,
U.S. /ˌmæŋɡənoʊˌsaɪˈænɪk/
manganocyanic acid, a crystalline acid, H4Mn(CN)6.
ΚΠ
1889 H. F. Morley & M. M. P. Muir Watts' Dict. Chem. (rev. ed.) II. 328 Manganocyanic acid (or manganocyanhydric acid) H4MnCy6.
1962 P. J. Durrant & B. Durrant Introd. Adv. Inorg. Chem. xxiv. 1010 Manganocyanic acid may be obtained by treating the lead salt with dilute sulphuric acid.
manganocyanide n.
Brit. /ˌmaŋɡənə(ʊ)ˈsʌɪənʌɪd/
,
U.S. /ˌmæŋɡənoʊˈsaɪəˌnaɪd/
a salt containing the anion Mn(CN)64−.
ΚΠ
1852 W. Gregory Handbk. Org. Chem. (ed. 3) 87 The manganocyanide of potassium is probably Cy6Mn2 + K3 = Cmy, K3.
1876 Encycl. Brit. V. 535/2 Chromi-cyanides and mangano- and mangani-cyanides, isomorphous with the corresponding iron compounds.
1962 P. J. Durrant & B. Durrant Introd. Adv. Inorg. Chem. xxiv. 1010 The manganocyanides are oxidised by air to the manganicyanides.
mangano-manganic adj.
Brit. /ˌmaŋɡənə(ʊ)manˈɡanɪk/
,
/ˌmaŋɡənə(ʊ)maŋˈɡanɪk/
,
U.S. /ˌmæŋɡənoʊˌmænˈɡænɪk/
,
/ˌmæŋɡənoʊˌmæŋˈɡænɪk/
mangano-manganic oxide n. a very stable oxide of manganese, Mn3O4, occurring as red crystals; manganese( ii,iii) oxide.
ΚΠ
1879 H. E. Roscoe & C. Schorlemmer Treat. Chem. II. ii. 10 (heading) Mangano-Manganic Oxide or Red Oxide of Manganese, MN3O4, occurs with other manganese ores, and also by itself as the mineral hausmannite.
1950 N. V. Sidgwick Chem. Elements II. 1276 (heading) Mangano-manganic oxide, Mn3O4.
This entry has been updated (OED Third Edition, September 2000; most recently modified version published online March 2022).
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