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单词 opacifying
释义

opacifyingn.

Brit. /ə(ʊ)ˈpasᵻfʌɪɪŋ/, U.S. /oʊˈpæsəˌfaɪɪŋ/
Origin: Formed within English, by derivation. Etymons: opacify v., -ing suffix1.
Etymology: < opacify v. + -ing suffix1.
The action or property of making something opaque.
ΚΠ
1914 Chem. Abstr. 8 224 The opacifying effect of the metallic oxides of Sn, Zr, Ti and Al..utilizable for white enamels.
1992 Cosmetics & Toiletries (Nexis) Dec. 45 Basic functions of calcium carbonate are abrasiveness and opacifying.
This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022).

opacifyingadj.

Brit. /ə(ʊ)ˈpasᵻfʌɪɪŋ/, U.S. /oʊˈpæsəˌfaɪɪŋ/
Origin: Formed within English, by derivation. Etymons: opacify v., -ing suffix2.
Etymology: < opacify v. + -ing suffix2.
That makes something opaque.
ΘΚΠ
the world > matter > light > transparency or translucence > opacity > [adjective] > making or becoming
opaquing1870
opacifying1945
1945 W. B. Honey Ceramic Art China 71 The more or less opaque and ‘solid’ greenish-blue glazes of this Chün group may thus be presumed to have contained a variable trace of copper as well as an opacifying element.
1973 Sci. Amer. Oct. 128/1 A talc base will often be augmented with an opacifying pigment such as zinc oxide or titanium dioxide.
1997 Amer. Econ. Rev. 87 359/2 Such ‘opacifying’ institutional features may be desirable, because they shield the truly unfortunate from social stigma.
This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022).
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n.1914adj.1945
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