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单词 micro-opaque
释义

micro-opaquen.adj.

Brit. /ˌmʌɪkrəʊə(ʊ)ˈpeɪk/, U.S. /ˈˌmaɪkroʊˌoʊˈpeɪk/
Origin: Formed within English, by compounding. Etymons: micro- comb. form, opaque adj.
Etymology: < micro- comb. form + opaque adj.
Library Science.
A type of microform produced on card or paper instead of film. Also attributive or as adj.
ΘΚΠ
society > communication > representation > [noun] > copying apparatus > act of copying in reduced form > microcopy
microfilm1933
microprint1933
microcopy1934
microcard1944
microform1944
microdot1946
microfiche1950
micro-opaque1952
fiche1959
1952 Aslib Proc. 4 154 Micro-opaques have made far greater psychological appeal to the user than microfilm.
1956 Amer. Documentation 7 169/1 Writers in several countries have concerned themselves with the general theme of micro-opaques.
1962 A. Günther Microphotogr. in Libr. (Unesco) 7 Micro-opaque cards have another advantage in that they do not need a protective envelope and may be readily filed.
1963 Amer. Notes & Queries June 155/1 Original public records are being published in a micro-opaque series of 3 × 5-inch cards issued by the Public Record Office of Great Britain.
1970 Jrnl. Amer. Hist. 57 iii. (Advt. section following p. 811) This is an order for Slavery Source Materials on 4″ x 6″..micro-opaque cards.
1992 William & Mary Q. 49 ii. (Advt. section following p. 397) One of the most widely held and important microform sets, Early American Imprints, First Series (Evans) 1639-1800, published in both microfiche and microopaque formats..[is] now available.
This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022).
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n.adj.1952
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