thermochromismn.

/θəːməʊˈkrəʊmɪz(ə)m/

Etymology: < German thermochromie (H. Stobbe 1904, in Berichte der Deutsch. Chem. Ges. 37 2239), < Greek χρῶμα colour: see thermo- comb. form and -ism suffix.

The phenomenon whereby certain substances undergo a reversible change of colour or shade when heated or cooled.

ΘΚΠ

the world > matter > chemistry > physical chemistry > thermochemistry > [noun] > thermochromism

thermochromy1911

thermochromism1914

1914 Chem. Abstr. 8 2387 The corresponding salts of the thiourethans..are colorless and do not exhibit thermochromism.

1960 New Scientist 2 June 1424/1 In all cases where the substance was both thermochromic and photochromic the colour formed either by heat (thermochromism) or by ultra-violet irradiation at low temperature (photochromism) was spectroscopically identical.

1974 Inorg. Chem. XIII. 2512/2 The thermo~chromism of these compounds involves a gradual change in color from gold to yellow to light green as the temperatures are lowered from 100° down to liquid nitrogen temperature.

Derivatives

thermoˈchromic adj. of, pertaining to, or displaying thermochromism.

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

1904 Jrnl. Chem. Soc. 86 i. 672 (heading) Thermochromic properties of dibenzylidensuccinic anhydride.

1953 Jrnl. Chem. Physics 21 1619/2 In those compounds which exhibit both thermochromism and photochromism the thermochromic and the photochromic colors are in each case spectroscopically identical.

1965 New Scientist 14 Jan. 102/1 Heating has the same effect and the higher the chromium content, the lower the temperature required for the ‘thermochromic’ transition.

1974 Inorg. Chem. XIII. 2106/1 This salt is thermochromic: green at 25° and yellow at 80°.

ˈthermochromy n. in the same sense.

ΘΚΠ

the world > matter > chemistry > physical chemistry > thermochemistry > [noun] > thermochromism

thermochromy1911

thermochromism1914

1911 Chem. Abstr. 5 2087 Characteristics of ‘thermo~chromy’.

1963 Adv. Photochem. 1 282 Photochromy and thermochromy are mutually exclusive properties in crystalline salicylidine-anilines.

1965 New Scientist 14 Jan. 102/1 Thermochromy..may well be a quite general property of solids containing trivalent chromium ions.

This entry has not yet been fully updated (first published 1986; most recently modified version published online March 2018).

单词	thermochromism
释义	thermochromismn. /θəːməʊˈkrəʊmɪz(ə)m/ Etymology: < German thermochromie (H. Stobbe 1904, in Berichte der Deutsch. Chem. Ges. 37 2239), < Greek χρῶμα colour: see thermo- comb. form and -ism suffix. The phenomenon whereby certain substances undergo a reversible change of colour or shade when heated or cooled. ΘΚΠ the world > matter > chemistry > physical chemistry > thermochemistry > [noun] > thermochromism thermochromy1911 thermochromism1914 1914 Chem. Abstr. 8 2387 The corresponding salts of the thiourethans..are colorless and do not exhibit thermochromism. 1960 New Scientist 2 June 1424/1 In all cases where the substance was both thermochromic and photochromic the colour formed either by heat (thermochromism) or by ultra-violet irradiation at low temperature (photochromism) was spectroscopically identical. 1974 Inorg. Chem. XIII. 2512/2 The thermo~chromism of these compounds involves a gradual change in color from gold to yellow to light green as the temperatures are lowered from 100° down to liquid nitrogen temperature. Derivatives thermoˈchromic adj. of, pertaining to, or displaying thermochromism. 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 1904 Jrnl. Chem. Soc. 86 i. 672 (heading) Thermochromic properties of dibenzylidensuccinic anhydride. 1953 Jrnl. Chem. Physics 21 1619/2 In those compounds which exhibit both thermochromism and photochromism the thermochromic and the photochromic colors are in each case spectroscopically identical. 1965 New Scientist 14 Jan. 102/1 Heating has the same effect and the higher the chromium content, the lower the temperature required for the ‘thermochromic’ transition. 1974 Inorg. Chem. XIII. 2106/1 This salt is thermochromic: green at 25° and yellow at 80°. ˈthermochromy n. in the same sense. ΘΚΠ the world > matter > chemistry > physical chemistry > thermochemistry > [noun] > thermochromism thermochromy1911 thermochromism1914 1911 Chem. Abstr. 5 2087 Characteristics of ‘thermo~chromy’. 1963 Adv. Photochem. 1 282 Photochromy and thermochromy are mutually exclusive properties in crystalline salicylidine-anilines. 1965 New Scientist 14 Jan. 102/1 Thermochromy..may well be a quite general property of solids containing trivalent chromium ions. This entry has not yet been fully updated (first published 1986; most recently modified version published online March 2018). < n.1904
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