单词 | y-cut |
释义 | > as lemmasY-cut a. Mathematics. Used to denote the second of a set of unknown or variable quantities (the first being denoted by x); spec. in Geometry, the symbol for an ordinate, or quantity measured in the direction of the second axis of co-ordinates (hence called †the axis of y, now always y-axis; also transferred); Y-cut adj. (Electronics), of, pertaining to, or designating a quartz crystal cut in a plane normal to its Y-axis; Y-plate (Electronics), each of a pair of electrodes in an oscilloscope that control the vertical movement of the spot on the screen. ΘΚΠ the world > relative properties > number > geometry > geometric space > [noun] > division or marking of > axis > of coordinates > co-ordinate > in specific direction X1660 Z1660 Y1728 abscissa1756 ordinate1855 the world > relative properties > number > geometry > geometric space > [noun] > division or marking of > axis > of coordinates Y axis1875 axis of x1885 y-axis1885 x-axis1886 z-axis1929 the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > cathode-ray tube > [noun] > oscilloscope > electrode in X-plate1934 Y-plate1946 1728 E. Chambers Cycl. at Conic Section If the Latus Rectum of any Diameter, as DK, be y; then, as the Diameter DK is to its conjugate βν, or its equal ων; so that Conjugate βγ, or that Tangent ων is to y. 1885 J. Casey Treat. Analyt. Geom. ii. 22 If the equation of the line contains no x, it is parallel to the axis of x; and if it contains no y, it is parallel to the axis of y. 1903 J. B. Greenough & G. L. Kittredge Words v. 53 To make fun of the x's and y's of the algebraist. 1930 , etc. Y-cut [see X-cut at X n. 3a]. 1934 J. H. Reyner Television vii. 71 In the ordinary applications of the tube we apply the voltage to be examined across one pair of plates (usually termed the Y plates) which causes the spot to be elongated into a line. 1945 Electronic Engin. 17 723 These two equations define the components of the velocity of the spot along the X and Y axes. 1946 Electronic Engin. 18 23/2 The signal [may be] fed to one Y plate and a pulse derived from the anode of V4 fed to the other Y plate. 1965 J. R. Frederick Ultrasonic Engin. iv. 65 If the second digit is 4, 5, or 6 this refers to a shear strain around the x, y, or z axes, respectively. 1969 Maddox & Davies Elem. Functions i. 12 The graph is a straight line parallel to the y-axis and situated 2 units to the right of the y-axis. 1976 Appl. Physics Lett. XXIX. 76/1 Our measurements were made on a polished Y-cut single-crystal quartz substrate with a pair of aluminum thin-film interdigital transducers..with orientation for wave propagation along the X axis. 1978 D. T. Rees Cathode Ray Oscilloscope 9 A voltage applied to the Y-plates will move the beam and the spot in a vertical direction. 1979 Faux & Pratt Computational Geom. i. 18 The most familiar equation of a straight line is y = mx + c, in which m is the slope, and c the intercept on the y-axis. < as lemmas |
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