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单词 premeridian
释义

premeridianadj.n.

Brit. /ˌpriːmᵻˈrɪdɪən/, U.S. /ˈˌpriməˈrɪdiən/
Origin: Formed within English, by derivation. Etymons: pre- prefix, meridian adj.
Etymology: < pre- prefix + meridian adj. With sense 1 compare postmeridian n. 2. With sense 2 compare earlier antemeridian adj. and postmeridian n. 1.
1. Geology. In H. D. Rogers' scheme: of, relating to, or designating the seventh of fifteen subdivisions of the Palaeozoic strata of the Appalachian mountain system. Also as n. Obsolete.
ΚΠ
1858 H. D. Rogers Geol. Pennsylvania II. ii. 749 These periods, applicable only to the American Palæozoic day, are the Primal..Pre-Meridian, Meridian, Post-Meridian [etc.].
1859 D. Page Handbk. Geol. Terms 302 The seventh of the fifteen series into which Professor Rogers subdivides the palaeozoic strata of the Appalachian Chain.
1874 T. Dunlap Wiley's Amer. Iron Trade Man. 518 In this valley (and its congeners) are the limestones of the scalent and premeridian number VI. and VII., so important as the flux for the iron ores of this region.
2. Before midday or (local) noon.rare before late 20th cent.
ΚΠ
1859 D. Page Handbk. Geol. Terms 302 Pre-Meridian, immediately before mid-day.
1934 Webster's New Internat. Dict. Eng. Lang. Premeridian, before noon.
1981 Jrnl. Amer. Oriental Soc. 101 417 The first topic is the single premeridian meal, discussed in the essay, ‘On Keeping the tradition of the Monks' Midday Meal.’
1991 Science 27 Sept. 1512/1 The features [sc. on Mars] are essentially unresolved by our beam and they should show consistent reflectivity curves for premeridian and postmeridian observations.
This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022).
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adj.n.1858
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