英语词汇“microlith”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

　

单词	microlith
释义	microlith mi·cro·lith M0273957 (mī′krō-lĭth′)n. Archaeology A very small blade made of flaked stone and used as a tool, especially in the European Mesolithic Period. mi′cro·lith′ic (-lĭth′ĭk) adj. microlith (ˈmaɪkrəʊˌlɪθ) n (Archaeology) archaeol a small Mesolithic flint tool which was made from a blade and formed part of hafted tools ˌmicroˈlithic adj mi•cro•lith (ˈmaɪ krə lɪθ) n. a very small stone tool made from a sharp blade-shaped piece of stone and used as the working part of a composite tool or weapon, esp. in Mesolithic times. [1875–80] mi`cro•lith′ic, adj. microlith 1. a very small isotropic needlelike crystal, found usually in volcanic rocks. 2. a very small stone tooi or part of a tool, as a tooth of a primitive saw. — microlithic, adj.See also: Geology microlith A small prehistoric flint tool. Microlith microlith [′mī·krə‚lith] (crystallography) microlite (medicine) A calculus of microscopic size. Microlith a small stone tool, sometimes of geometric shape (triangle, trapezoid, lunate). Microliths became widespread in the Mesolithic period in many regions of Africa, Europe, and Asia; they were also used in the Neolithic. In the USSR they have been found in the Crimea and other parts of the Ukraine, in the Lower Volga region, in Middle Asia, and in Kazakhstan. Microliths were used as arrowheads, or they were inserted into the grooves of bone and wooden implements, thus forming a flint cutting edge. microlith microlith [mi´kro-lith″] a minute concretion or calculus. mi·cro·lith (mī'krō-lith), A minute calculus, usually multiple, sometimes constituting a coarse sand called gravel; may occur in prostate or testes. [micro- + G. lithos, stone] mi·cro·lith (mī'krō-lith) A minute stone or stonelike concretion, especially a calculus fragment passed in the urine as a component of gravel. [micro- + G. lithos, stone]
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更新时间：2024/12/22 21:34:40