pyrochemicaladj.

Brit.

/ˌpʌɪrə(ʊ)ˈkɛmᵻkl/, U.S.

/ˌpaɪroʊˈkɛmək(ə)l/

Origin: Formed within English, by compounding; modelled on a Dutch lexical item. Etymons: pyro- comb. form, chemical adj.

Etymology: < pyro- comb. form + chemical adj., originally after Dutch pyrochemisch (1843 in the passage translated in quot. 1849). Compare earlier pyrochemically adv.

Science.

Relating to, involving, or arising from the chemical action of heat.

ΚΠ

1849 P. F. H. Fromberg tr. G. J. Mulder Chem. Veg. & Animal Physiol. 44 A low temperature..is as capable of changing complex combinations, as one more elevated is of transforming all the organic bodies in a large series of pyrochemical products [Du. van pyrochemische producten], whose characters entirely depend on the temperature.

1896 Science 24 July 110/2 The Laboratory contains..a room for pyrochemical research.

1908 Illinois State Geol. Bull. 9 149 Experimental evidence indicates that variation in the fineness of grain controls many of the physical and pyrochemical properties exhibited by clays.

1949 Jrnl. Industr. Chem. 41 1737/2 Cuprous oxide of pyrochemical origin is characterized by high apparent density, low oil absorption, and a rather dull red color.

1997 Progress in Nucl. Energy 31 175 Pyrochemical processes..appears [sic] suitable for recovery and recycling actinides from spent fuels from light water cooled reactors.

This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).

单词	pyrochemical
释义	pyrochemicaladj. Brit. /ˌpʌɪrə(ʊ)ˈkɛmᵻkl/, U.S. /ˌpaɪroʊˈkɛmək(ə)l/ Origin: Formed within English, by compounding; modelled on a Dutch lexical item. Etymons: pyro- comb. form, chemical adj. Etymology: < pyro- comb. form + chemical adj., originally after Dutch pyrochemisch (1843 in the passage translated in quot. 1849). Compare earlier pyrochemically adv. Science. Relating to, involving, or arising from the chemical action of heat. ΚΠ 1849 P. F. H. Fromberg tr. G. J. Mulder Chem. Veg. & Animal Physiol. 44 A low temperature..is as capable of changing complex combinations, as one more elevated is of transforming all the organic bodies in a large series of pyrochemical products [Du. van pyrochemische producten], whose characters entirely depend on the temperature. 1896 Science 24 July 110/2 The Laboratory contains..a room for pyrochemical research. 1908 Illinois State Geol. Bull. 9 149 Experimental evidence indicates that variation in the fineness of grain controls many of the physical and pyrochemical properties exhibited by clays. 1949 Jrnl. Industr. Chem. 41 1737/2 Cuprous oxide of pyrochemical origin is characterized by high apparent density, low oil absorption, and a rather dull red color. 1997 Progress in Nucl. Energy 31 175 Pyrochemical processes..appears [sic] suitable for recovery and recycling actinides from spent fuels from light water cooled reactors. This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022). < adj.1849
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