achromatic
Optics.
free from color.
able to emit, transmit, or receive light without separating it into colors.
Biology. (of a cell structure) difficult to stain.
Music. without accidentals or changes in key.
Origin of achromatic
1Other words from achromatic
- ach·ro·mat·i·cal·ly, adverb
Words Nearby achromatic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use achromatic in a sentence
The construction of achromatic telescopes depends upon this principle.
The achromatic lens consists of a double convex lens of crown glass combined with a plano-concave lens of flint glass.
Physics | Willis Eugene Towerachromatic lenses are used in all high-grade optical instruments such as telescopes and microscopes.
Physics | Willis Eugene TowerThe colored images that are sometimes seen in cheap opera glasses show the result of not using achromatic lenses.
Physics | Willis Eugene TowerThe camera is furnished with either meniscus achromatic or rapid rectilinear lens.
Kodaks and Kodak Supplies, 1914 | Canadian Kodak Company
British Dictionary definitions for achromatic
/ (ˌækrəˈmætɪk) /
without colour
capable of reflecting or refracting light without chromatic aberration
cytology
not staining with standard dyes
of or relating to achromatin
music
involving no sharps or flats
another word for diatonic
denoting a person who is an achromat
Derived forms of achromatic
- achromatically, adverb
- achromatism (əˈkrəʊməˌtɪzəm) or achromaticity (əˌkrəʊməˈtɪsɪtɪ), noun
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
Scientific definitions for achromatic
[ ăk′rə-măt′ĭk ]
Designating color perceived to have zero saturation and therefore no hue, such as neutral grays, white, or black.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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