| 单词 | crown lens |
| 释义 | crown lensnoun Optics.a lens made of crown glass, usually used as the converging lens component of an achromatic lens. Origin of crown lensFirst recorded in 1825–35 Words nearby crown lenscrown imperial, crowning, crown-jewel option, crown jewels, crown land, crown lens, crown octavo, Crown Office, crown-of-jewels, crown of thorns, crown-of-thorns starfish Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for crown lenscrown lens nouna lens made of optical crown, esp the optical-crown part of a compound achromatic lens 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 |
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