单词 | right circular |
释义 | > as lemmasright circular right circular adj. (a) Physics (of polarization) circular with a clockwise rotation of the electric field vector when viewed in the direction of travel; (b) Mathematics (of a cone or cylinder) having a cross-section that is a circle, and an axis passing through the centre of the circle at right angles to it. ΚΠ 1831 Edinb. Jrnl. Sci. 5 325 It appeared that in right-handed quartz it is necessary to suppose the right-circular polarization transmitted with the greater velocity. 1840 D. Lardner Treat. Geom. 223 If one side of a plane rectilinear angle revolve round its other side as an axis, it will produce the surface of a right circular cone. 1877 B. Williamson Elem. Treat. Integral Calculus (ed. 3) ix. Ex. 12 The axis of a right circular cylinder. 1951 W. W. Elliott & E. R. C. Miles College Math. (ed. 2) xxi. 299 These curves, from the fact that as a class they arise as plane sections of a right circular cone, are called conic sections. 2005 P. Tait Introd. Radar Target Recognition xiv. 371 Radar signals can be ‘polarised’ horizontally, vertically or with left or right circular polarisation. < as lemmas |
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