porphyrizationn.

Brit.

/ˌpɔːfᵻrʌɪˈzeɪʃn/, U.S.

/ˈˌpɔrfəˌraɪˈzeɪʃ(ə)n/,

/ˈˌpɔrfərəˈzeɪʃ(ə)n/

Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: porphyrize v., -ation suffix.

Etymology: < porphyrize v. + -ation suffix, after French porphyrisation (1765).

Now rare.

The process of grinding something to a fine powder, esp. on a slab of porphyry.

ΘΚΠ

the world > existence and causation > creation > destruction > grinding or pounding > [noun]

grindc1200

grinding1340

contritionc1384

brayingc1440

milling1466

braisinga1500

comminution1578

pealing1582

pounding1591

contusion1617

pulping1640

pistillation1646

trituration1646

triture1657

commolition1658

grist1676

porphyrization1771

comminuting1776

atomization1865

micronization1941

micronizing1941

1771 J. Keir tr. P. J. Macquer Dict. Chem. I. 60 Alkohol. This name has been given to any impalpable powder. See Porphyrisation. [There is no entry for this latter word, either here or in the French original.]

1829 J. Togno & E. Durand tr. H. Milne-Edwards & P. Vavasseur Man. Materia Medica i. 48 Porphyrization or levigation, is an operation by which very hard substances..are reduced to an impalpable powder.

1858 A. S. Piggot Chem. & Metall. Copper iii. 138 The ore having been reduced to an impalpable powder, (by porphyrization, if necessary,) is warmed with an alkaline liquor.

1873 Appletons' Jrnl. 25 Oct. 542/3 The porosity of porcelain can be increased by admixture, with the paste, of siliceous matters, of which the porphyrization is not quite complete.

1938 Jrnl. Amer. Chem. Soc. 60 733/1 Certain chapters [of Lavoisier's Traité élémentaire de chimie] have been suppressed which have lost their interest, such as those on luting, on porphyrization, and on filtration.

This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022).

单词	porphyrization
释义	porphyrizationn. Brit. /ˌpɔːfᵻrʌɪˈzeɪʃn/, U.S. /ˈˌpɔrfəˌraɪˈzeɪʃ(ə)n/, /ˈˌpɔrfərəˈzeɪʃ(ə)n/ Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: porphyrize v., -ation suffix. Etymology: < porphyrize v. + -ation suffix, after French porphyrisation (1765). Now rare. The process of grinding something to a fine powder, esp. on a slab of porphyry. ΘΚΠ the world > existence and causation > creation > destruction > grinding or pounding > [noun] grindc1200 grinding1340 contritionc1384 brayingc1440 milling1466 braisinga1500 comminution1578 pealing1582 pounding1591 contusion1617 pulping1640 pistillation1646 trituration1646 triture1657 commolition1658 grist1676 porphyrization1771 comminuting1776 atomization1865 micronization1941 micronizing1941 1771 J. Keir tr. P. J. Macquer Dict. Chem. I. 60 Alkohol. This name has been given to any impalpable powder. See Porphyrisation. [There is no entry for this latter word, either here or in the French original.] 1829 J. Togno & E. Durand tr. H. Milne-Edwards & P. Vavasseur Man. Materia Medica i. 48 Porphyrization or levigation, is an operation by which very hard substances..are reduced to an impalpable powder. 1858 A. S. Piggot Chem. & Metall. Copper iii. 138 The ore having been reduced to an impalpable powder, (by porphyrization, if necessary,) is warmed with an alkaline liquor. 1873 Appletons' Jrnl. 25 Oct. 542/3 The porosity of porcelain can be increased by admixture, with the paste, of siliceous matters, of which the porphyrization is not quite complete. 1938 Jrnl. Amer. Chem. Soc. 60 733/1 Certain chapters [of Lavoisier's Traité élémentaire de chimie] have been suppressed which have lost their interest, such as those on luting, on porphyrization, and on filtration. This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022). < n.1771
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