noble gasn.adj.

Brit.

/ˌnəʊbl ˈɡas/, U.S.

/ˌnoʊb(ə)l ˈɡæs/

Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: noble adj., gas n.¹ and adj.

Etymology: < noble adj. + gas n.¹ and adj., after German Edelgas (H. Erdmann Lehrb. der anorganischen Chem. (1898) 84).

Chemistry.

A. n.

Each of the elements helium, neon, argon, krypton, xenon, and radon, all of which are colourless, odourless, and tasteless gases which were formerly thought to be completely unreactive chemically, forming no compounds (though compounds of some of the gases are now known). Also called inert gas, rare gas.Together they constitute a group of the periodic table, now numbered 18 in the IUPAC numbering, but also numbered 0 or VIII.noble gas is now the name officially preferred by the International Union of Pure and Applied Chemistry.

ΘΚΠ

the world > matter > chemistry > elements and compounds > metals > noble gases > [noun]

(the) inert gases1885

noble gas1901

rare gas1901

1901 Science 15 Feb. 268/2 Erdmann divides the non-metals as follows: Chief gases... Noble gases, helium, neon, argon, krypton, zenon. Air. Sulphur group, [etc.].

1927 J. W. Mellor Comprehensive Treat. Inorg. & Theoret. Chem. VII. xlviii. 906 The five gases—helium, neon, argon, krypton, and xenon—are colourless, and without odour. They are chemically indifferent and are hence called the inert gases or the rare gases, or the noble gases of the atm.

1950 Electronic Engin. 22 108 Electron tubes filled with a noble gas such as argon, neon or helium are now widely employed.

1971 Nomencl. Inorg. Chem. (I.U.P.A.C.) (ed. 2) 11 The use of the collective names..alkaline-earth metals (Ca to Ra), and noble gases [1959 (ed. 1) inert gases] may be continued.

1990 N.Y. Times 9 Oct. c6/3 A similar method allows geologists to check the amount of noble, or inert, gases trapped in minerals like mica.

B. adj.

Frequently in form noble-gas. Of or relating to a noble gas; resembling a noble gas, esp. in having a complete outer electron shell.

ΚΠ

1950 K. Rankama & T. G. Sahama Geochem. iv. 91 The lithophile metals form ions of the noble-gas type having 8 electrons in the outermost shell.

1974 Sci. Amer. Aug. 48/3 Soon after Bartlett's announcement several other noble-gas compounds were made, chief among them the xenon flourides (XeF₂, XeF₄ and XeF₆) and xenon trioxide (XeO₃).

1989 Encycl. Brit. XV. 902/2 Contributing to the pattern of coordination numbers in Table 55 is the 18-electron rule (sometimes called the noble gas rule).

1992 Organometallics 11 1147/2 The high-pressure-low-temperature cell, used for the liquid noble gas experiments, has been described before.

This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022).

单词	noble gas
释义	noble gasn.adj. Brit. /ˌnəʊbl ˈɡas/, U.S. /ˌnoʊb(ə)l ˈɡæs/ Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: noble adj., gas n.¹ and adj. Etymology: < noble adj. + gas n.¹ and adj., after German Edelgas (H. Erdmann Lehrb. der anorganischen Chem. (1898) 84). Chemistry. A. n. Each of the elements helium, neon, argon, krypton, xenon, and radon, all of which are colourless, odourless, and tasteless gases which were formerly thought to be completely unreactive chemically, forming no compounds (though compounds of some of the gases are now known). Also called inert gas, rare gas.Together they constitute a group of the periodic table, now numbered 18 in the IUPAC numbering, but also numbered 0 or VIII.noble gas is now the name officially preferred by the International Union of Pure and Applied Chemistry. ΘΚΠ the world > matter > chemistry > elements and compounds > metals > noble gases > [noun] (the) inert gases1885 noble gas1901 rare gas1901 1901 Science 15 Feb. 268/2 Erdmann divides the non-metals as follows: Chief gases... Noble gases, helium, neon, argon, krypton, zenon. Air. Sulphur group, [etc.]. 1927 J. W. Mellor Comprehensive Treat. Inorg. & Theoret. Chem. VII. xlviii. 906 The five gases—helium, neon, argon, krypton, and xenon—are colourless, and without odour. They are chemically indifferent and are hence called the inert gases or the rare gases, or the noble gases of the atm. 1950 Electronic Engin. 22 108 Electron tubes filled with a noble gas such as argon, neon or helium are now widely employed. 1971 Nomencl. Inorg. Chem. (I.U.P.A.C.) (ed. 2) 11 The use of the collective names..alkaline-earth metals (Ca to Ra), and noble gases [1959 (ed. 1) inert gases] may be continued. 1990 N.Y. Times 9 Oct. c6/3 A similar method allows geologists to check the amount of noble, or inert, gases trapped in minerals like mica. B. adj. Frequently in form noble-gas. Of or relating to a noble gas; resembling a noble gas, esp. in having a complete outer electron shell. ΚΠ 1950 K. Rankama & T. G. Sahama Geochem. iv. 91 The lithophile metals form ions of the noble-gas type having 8 electrons in the outermost shell. 1974 Sci. Amer. Aug. 48/3 Soon after Bartlett's announcement several other noble-gas compounds were made, chief among them the xenon flourides (XeF₂, XeF₄ and XeF₆) and xenon trioxide (XeO₃). 1989 Encycl. Brit. XV. 902/2 Contributing to the pattern of coordination numbers in Table 55 is the 18-electron rule (sometimes called the noble gas rule). 1992 Organometallics 11 1147/2 The high-pressure-low-temperature cell, used for the liquid noble gas experiments, has been described before. This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022). < n.adj.1901
随便看	seisms seistan seistan wind seitan seities seity seitz seitz disc seitz filter seitz filtration seitz pad seitz-filtered seitzfiltered seiza seizable seize seize a person by the button seize by the button seize by the throat seize hold of seize into one's hands, to one's behoof seize of seize on or upon seize the open file seize time by the forelock