单词 | macro-scale |
释义 | macro-scalen. A large or macroscopic scale; (Chemistry) the scale of macroanalysis. ΘΚΠ the world > matter > chemistry > chemical assay or analytical chemistry > [noun] > acetimetry > macroanalysis > scale macro-scale1931 1931 J. W. Brown in C. A. Mitchell Recent Adv. Analytical Chem. II. xv. 304 Developments in the application of general macro-scale chemical methods of qualitative and quantitative analysis to amounts of material 50, 100 or 1,000 times smaller. 1941 J. H. Reedy Elem. Qualitative Anal. (ed. 3) 2 Formerly chemical analysis was carried out on a ‘macro’ scale, using considerable amounts of material. 1964 N. G. Clark Mod. Org. Chem. xxiv. 496 Quantitative analysis was originally designed to be performed on a sample of 0·4–1·0 g for each elemental determination (only carbon and hydrogen are estimated on the same sample); this is called the macro-scale. 1968 C. A. Doxiadis Between Dystopia & Utopia 52 Also, we should not forget that projecting in the macro-scale..is easier than in the micro-scale. It is easier to predict where the future population will settle in one generation than what type of house, or dress, a certain lady is going to like next year. 1970 Interior Design Dec. 767/1 Nevertheless, changes will occur, of course, but on a micro- not macro~scale. 1988 J. Gleick Chaos (U.K. ed.) 260 Energy in natural systems exists on two levels: the macroscales, where everyday objects can be counted and measured, and the microscales. 1992 Videomaker Feb. 74/2 Some cameras place the macro scale at the telephoto end of the zoom. This entry has been updated (OED Third Edition, March 2000; most recently modified version published online March 2022). < |
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