non-stoichiometricadj.

Brit.

/ˌnɒnstɔɪkɪəˈmɛtrɪk/, U.S.

/ˌnɑnˌstɔɪkioʊˈmɛtrɪk/

Forms: 1900s– non-stoicheiometric, 1900s– non-stoichiometric.

Origin: Formed within English, by derivation. Etymons: non- prefix, stoicheiometric adj. at stoicheiometry n. Derivatives

Etymology: < non- prefix + stoicheiometric adj. at stoicheiometry n. Derivatives.

Chemistry.

Containing or representing atoms of the different elements in numbers that do not bear a simple integral ratio to one another or are not in the ratio expected from an ideal formula.

ΘΚΠ

the world > matter > chemistry > chemical properties > [adjective] > of or relating to miscellaneous other properties

sweet1666

nimble1671

watery1741

unvitriolized1757

greedy1758

unneutralized1758

unvitrifiable1758

free1783

fixed1800

nascent1800

inorganic1831

assimilative1837

unnitrogenized1846

inactive1848

kaligenous1854

unacceptant1866

aggressive1888

oligodynamic1893

chromotropic1899

undissociated1899

osmophoric1901

thermochromic1904

unary1923

non-stoichiometric1943

odoriphoric1944

slow-release1946

sonoluminescent1961

uniaxial1965

1943 Proc. Royal Soc. A. 184 84 The potential quadrivalency of the metal should favour the formation of non-stoichiometric stannous chloride.

1965 C. S. G. Phillips & R. J. P. Williams Inorg. Chem. I. viii. 267 There are compounds of the type Fe_0·95O, GeTe_1·025, Ti_1·103S₂. Such non-stoicheiometric compounds are found largely amongst minerals, alloys, and those compounds which contain..elements giving rise to at least two valence states.

1988 F. A. Cotton & G. Wilkinson Adv. Inorg. Chem. (ed. 5) iii. 121 Titanium, zirconium, and hafnium absorb hydrogen exothermically to give nonstoichiometric materials such as TiH_1.7 and ZrH_1.9.

2001 Water Res. 35 1534 Initial concentrations of Fe( ii) and Cr( vi) were 50 and 20 μM, respectively, representing a deficient amount of Fe( ii) (i.e. nonstoichiometric conditions).

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

单词	non-stoichiometric
释义	non-stoichiometricadj. Brit. /ˌnɒnstɔɪkɪəˈmɛtrɪk/, U.S. /ˌnɑnˌstɔɪkioʊˈmɛtrɪk/ Forms: 1900s– non-stoicheiometric, 1900s– non-stoichiometric. Origin: Formed within English, by derivation. Etymons: non- prefix, stoicheiometric adj. at stoicheiometry n. Derivatives Etymology: < non- prefix + stoicheiometric adj. at stoicheiometry n. Derivatives. Chemistry. Containing or representing atoms of the different elements in numbers that do not bear a simple integral ratio to one another or are not in the ratio expected from an ideal formula. ΘΚΠ the world > matter > chemistry > chemical properties > [adjective] > of or relating to miscellaneous other properties sweet1666 nimble1671 watery1741 unvitriolized1757 greedy1758 unneutralized1758 unvitrifiable1758 free1783 fixed1800 nascent1800 inorganic1831 assimilative1837 unnitrogenized1846 inactive1848 kaligenous1854 unacceptant1866 aggressive1888 oligodynamic1893 chromotropic1899 undissociated1899 osmophoric1901 thermochromic1904 unary1923 non-stoichiometric1943 odoriphoric1944 slow-release1946 sonoluminescent1961 uniaxial1965 1943 Proc. Royal Soc. A. 184 84 The potential quadrivalency of the metal should favour the formation of non-stoichiometric stannous chloride. 1965 C. S. G. Phillips & R. J. P. Williams Inorg. Chem. I. viii. 267 There are compounds of the type Fe_0·95O, GeTe_1·025, Ti_1·103S₂. Such non-stoicheiometric compounds are found largely amongst minerals, alloys, and those compounds which contain..elements giving rise to at least two valence states. 1988 F. A. Cotton & G. Wilkinson Adv. Inorg. Chem. (ed. 5) iii. 121 Titanium, zirconium, and hafnium absorb hydrogen exothermically to give nonstoichiometric materials such as TiH_1.7 and ZrH_1.9. 2001 Water Res. 35 1534 Initial concentrations of Fe( ii) and Cr( vi) were 50 and 20 μM, respectively, representing a deficient amount of Fe( ii) (i.e. nonstoichiometric conditions). This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022). < adj.1943
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