| 单词 | achromatic lens |
| 释义 | achromatic lensnoun Optics.a system of two or more lenses that is substantially free from chromatic aberration and in which the lenses are made of different substances so that the focal length of the system is the same for two or three wavelengths of light. Also called achromat. Compare crown lens, flint glass. Origin of achromatic lensprobably earlier than 1860–65 Words nearby achromatic lensachromat, achromate, achromatic, achromatic colour, achromaticity, achromatic lens, achromatic objective, achromatic prism, achromatic vision, achromatin, achromatism Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Medical definitions for achromatic lensachromatic lens n.A combination of lenses made of different glass, used to produce images free of chromatic aberrations. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. |
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