| 单词 | iron carbide |
| 释义 | > as lemmasiron carbide A compound of carbon with an element, as hydrogen or a metal, as iron carbide; less usual than the older equivalent carburet. spec. Short for ‘calcium carbide’. ΘΚΠ the world > matter > chemistry > elements and compounds > metals > specific elements > carbon > [noun] > compounds carbonic acid1788 carburet1788 carbure1789 carbonic acid snow1841 carbidec1865 carbon dioxide1867 champagne gas1871 carbon dioxide snow1897 methanide1924 methide1965 carbon1977 the world > matter > chemistry > organic chemistry > organometallurgy > [noun] > organometallic compounds cacodyl1850 carbide1898 cemented carbide1932 ferrocene1952 manganocene1968 c1865 J. Wylde Circle of Sci. I. 308/2 The combinations of sulphur with metals are termed sulphides..of carbon, carbides. 1879 Athenæum 6 Sept. 312/2 Native iron carbides of Greenland. 1879 G. B. Prescott Speaking Telephone (new ed.) 434 Carbides of hydrogen obtained as secondary products. 1898 W. E. Gibbs Lighting by Acetylene 70 Water from an elevated reservoir enters T until the carbide is reached. 1904 A. B. F. Young Compl. Motorist 257 Carbide lamps give a beautiful light when they are working properly. 1957 P. Kemp Mine were of Trouble iv. 59 A bare room..lit by a single smelly carbide lamp. iron carbide iron carbide n. a binary compound of iron and carbon; esp. = cementite n. ΘΚΠ the world > the earth > minerals > types of mineral > carbides > [noun] iron carbide1866 cementite1888 moissanite1905 1866 H. E. Roscoe Lessons Elem. Chem. xxxv. 310 When heated strongly, it [sc. potassium ferrocyanide] yields potassium cyanide and iron carbide. 1891 F. A. Abel Presidential Addr. in Rep. Brit. Assoc. Advancem. Sci. 1890 23 The elimination, within the mass, of carbon as an iron-carbide perfectly stable at low temperatures. 1938 R. Hum Chem. for Engin. Students xix. 511 Martensite..consists of interlacing crystals of iron and iron carbide, and is very hard. 2009 Hindustan Times (Nexis) 8 May The presence of high amount of iron carbide also called ‘cementite’ renders these rails susceptible to corrosion. < as lemmas |
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