单词 | metallograph |
释义 | metallographn.ΘΚΠ society > leisure > the arts > visual arts > printmaking > [noun] > a print > types of print generally sporting print1811 colour print1855 autotypy1872 metallograph1890 surimono1899 Medici print1906 restrike1912 cliché-verre1913 pinpricked picture1936 pinprick picture1943 kiss impression1946 original print1961 a1877 E. H. Knight Pract. Dict. Mech. II. 1687/2 Photo-metallograph, see Photo~zincograph.] 1890 in Webster's Internat. Dict. Eng. Lang. (at cited word) Metallograph,..a print made by metallography. 2. An optical instrument for conducting research in metallography (metallography n. 3); a metallographical microscope; (occasionally) a photographic image produced by such an instrument. ΚΠ 1941 Science 23 May (Advt. section) 6/2 Today metallographs, photographic lenses, spectrographs,..industrial research and inspection instruments—and scores of others—are available to science, education and industry. 1945 Sci. Monthly Mar. p. ix (advt.) In metallography, the effects of characteristic etchants can be recorded in metallographs in color. 1968 Q. Rev. Biol. 43 315/2 The author purposely has omitted the polarizing microscope and metallograph as being largely beyond the scope of his book, which is intended chiefly for the biologist. 1974 Science 18 Jan. 207/1 Samples were examined in an optical metallograph in reflected and transmitted light. 1994 Science 25 Mar. 1075/1 (advt.) Nikon's Microphot-FXA..the first research upright metallograph to display real intelligence. This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022). < n.1890 |
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