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De - Pt| English Dictionary: angular aperture | by the DICT Development Group |
| 1 result for angular aperture | |
| From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
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Angular \An"gu*lar\, a. [L. angularis, fr. angulus angle, corner. See {Angle}.] 1. Relating to an angle or to angles; having an angle or angles; forming an angle or corner; sharp-cornered; pointed; as, an angular figure. 2. Measured by an angle; as, angular distance. 3. Fig.: Lean; lank; raw-boned; ungraceful; sharp and stiff in character; as, remarkably angular in his habits and appearance; an angular female. {Angular aperture}, {Angular distance}. See {Aperture}, {Distance}. {Angular motion}, the motion of a body about a fixed point or fixed axis, as of a planet or pendulum. It is equal to the angle passed over at the point or axis by a line drawn to the body. {Angular point}, the point at which the sides of the angle meet; the vertex. {Angular velocity}, the ratio of anuglar motion to the time employed in describing. | |
