| 单词 | spherical aberration |
| 释义 | spherical aberrationnounvariation in focal length of a lens or mirror from center to edge, due to its spherical shape. Origin of spherical aberrationFirst recorded in 1865–70 Words nearby spherical aberrationspher-, spheral, sphere, sphere of influence, spherical, spherical aberration, spherical angle, spherical astronomy, spherical coordinate, spherical coordinates, spherical excess Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for spherical aberrationspherical aberration nounphysics a defect of optical systems that arises when light striking a mirror or lens near its edge is focused at different points on the axis to the light striking near the centre. The effect occurs when the mirror or lens has spherical surfacesSee also aberration (def. 4) Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for spherical aberrationspherical aberration n.A blurred image that occurs when light from the margin of a lens or mirror with a spherical surface comes to a shorter focus than light from the central portion.dioptric aberration The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for spherical aberrationspherical aberration [ sfîr′ĭ-kəl ] See under aberration. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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