Surface plate

Surface plate
Surface Sur"face`, n. [F. See {Sur-}, and {Face}, and cf. {Superficial}.] 1. The exterior part of anything that has length and breadth; one of the limits that bound a solid, esp. the upper face; superficies; the outside; as, the surface of the earth; the surface of a diamond; the surface of the body. [1913 Webster]

The bright surface of this ethereous mold. --Milton. [1913 Webster]

2. Hence, outward or external appearance. [1913 Webster]

Vain and weak understandings, which penetrate no deeper than the surface. --V. Knox. [1913 Webster]

3. (Geom.) A magnitude that has length and breadth without thickness; superficies; as, a plane surface; a spherical surface. [1913 Webster]

4. (Fort.) That part of the side which is terminated by the flank prolonged, and the angle of the nearest bastion. --Stocqueler. [1913 Webster]

{Caustic surface}, {Heating surface}, etc. See under {Caustic}, {Heating}, etc.

{Surface condensation}, {Surface condenser}. See under {Condensation}, and {Condenser}.

{Surface gauge} (Mach.), an instrument consisting of a standard having a flat base and carrying an adjustable pointer, for gauging the evenness of a surface or its height, or for marking a line parallel with a surface.

{Surface grub} (Zo["o]l.), the larva of the great yellow underwing moth ({Triph[oe]na pronuba}). It is often destructive to the roots of grasses and other plants.

{Surface plate} (Mach.), a plate having an accurately dressed flat surface, used as a standard of flatness by which to test other surfaces.

{Surface printing}, printing from a surface in relief, as from type, in distinction from plate printing, in which the ink is contained in engraved lines. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Surface plate — A surface plate is a solid, flat plate used as the main horizontal reference plane for precision inspection, marking out (layout), and tooling setup. The surface plate is often used as the baseline for all measurements to the workpiece, therefore …   Wikipedia

  • surface plate — noun : a steel instrument of precision having a dressed flat surface or sometimes two surfaces at right angles and used as a standard of flatness * * * Mach. a flat plate used by machinists for testing surfaces that are to be made perfectly flat …   Useful english dictionary

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  • surface plate — Mach. a flat plate used by machinists for testing surfaces that are to be made perfectly flat. Also called planometer. [1840 50] * * * …   Universalium

  • surface plate — /ˈsɜfəs pleɪt/ (say serfuhs playt) noun a flat plate used by mechanics for testing surfaces which are to be made perfectly flat …   Australian English dictionary

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  • hard-surface plate — dėvėjimuisi atspari plokštelė statusas T sritis radioelektronika atitikmenys: angl. hard surface plate vok. Hartplatte, f; verschleißfeste Platte, f rus. износоустойчивая пластина, f pranc. plaque tolérant à l usure, f …   Radioelektronikos terminų žodynas

  • plate tectonics — plate tectonic, adj. Geol. a theory of global tectonics in which the lithosphere is divided into a number of crustal plates, each of which moves on the plastic asthenosphere more or less independently to collide with, slide under, or move past… …   Universalium

  • plate — [ plat ] n. f. • 1170; de 1. plat 1 ♦ Archéol. Plaque de métal appliquée sur le haubert; chacune des plaques qui constituent une armure rigide. Armures de plates, d écailles d acier. 2 ♦ (1694) Mar. Embarcation à fond plat servant aux travaux de… …   Encyclopédie Universelle

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