undissociatedadj.

Etymology: un- prefix¹ 2a.Previous versions of the OED give the stress as: undiˈssociated.

Chemistry.

Of a molecule: whole, not split into oppositely charged ions.

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

1899 Jrnl. Physical Chem. 3 284 The properties of this acid are therefore to be attributed almost solely to the undissociated molecule, CH₃·COOH.

1930 S. Field & A. D. Weill Electro-plating i. 14 The undissociated copper sulphate..takes no direct part in the plating process.

1965 C. S. G. Phillips & R. J. P. Williams Inorg. Chem. I. vii. 237 At pressures around 1 atmosphere I₂ is largely undissociated at 1000 °K, but largely dissociated at 2000 °K.

1976 Electrochimica Acta XXI. 280/1 The activity coefficient of the undissociated acid is taken as unity.

This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2019).

单词	undissociated
释义	undissociatedadj. Etymology: un- prefix¹ 2a.Previous versions of the OED give the stress as: undiˈssociated. Chemistry. Of a molecule: whole, not split into oppositely charged ions. 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 1899 Jrnl. Physical Chem. 3 284 The properties of this acid are therefore to be attributed almost solely to the undissociated molecule, CH₃·COOH. 1930 S. Field & A. D. Weill Electro-plating i. 14 The undissociated copper sulphate..takes no direct part in the plating process. 1965 C. S. G. Phillips & R. J. P. Williams Inorg. Chem. I. vii. 237 At pressures around 1 atmosphere I₂ is largely undissociated at 1000 °K, but largely dissociated at 2000 °K. 1976 Electrochimica Acta XXI. 280/1 The activity coefficient of the undissociated acid is taken as unity. This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2019). < adj.1899
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