opacity


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o·pac·i·ty

 (ō-păs′ĭ-tē)
n. pl. o·pac·i·ties
1. The quality or state of being opaque.
2. Something opaque.
3.
a. Obscurity; impenetrability.
b. Dullness of mind.

[French opacité, from Old French, from Latin opācitās, from opācus, dark.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

opacity

(əʊˈpæsɪtɪ)
n, pl -ties
1. (General Physics) the state or quality of being opaque
2. the degree to which something is opaque
3. (General Physics) an opaque object or substance
4. obscurity of meaning; unintelligibility
5. (Photography) physics photog the ratio of the intensity of light incident on a medium, such as a photographic film, to that transmitted through the medium
6. (Logic) logic philosophy the property of being an opaque context
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

o•pac•i•ty

(oʊˈpæs ɪ ti)

n., pl. -ties.
1. the state or quality of being opaque.
2. something opaque.
3. the degree to which a substance is or may be opaque.
4. the proportion of light absorbed by the emulsion on an area of a photographic film or plate.
5. obscurity of meaning.
6. mental dullness.
[1550–60; < Latin opācitās shade]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

o·pac·i·ty

(ō-păs′ĭ-tē)
The quality or condition of being opaque.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.opacity - the phenomenon of not permitting the passage of electromagnetic radiation
physical phenomenon - a natural phenomenon involving the physical properties of matter and energy
optical opacity - opacity to light
radio-opacity, radiopacity - opacity to X-rays or other radiation
transparence, transparency - permitting the free passage of electromagnetic radiation
2.opacity - incomprehensibility resulting from obscurity of meaning
incomprehensibility - the quality of being incomprehensible
3.opacity - the quality of being opaque to a degree; the degree to which something reduces the passage of light
murkiness, cloudiness, muddiness - the quality of being cloudy
blurriness, fuzziness, indistinctness, fogginess, softness - the quality of being indistinct and without sharp outlines
quality - an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare
uncloudedness, clarity, clearness - the quality of clear water; "when she awoke the clarity was back in her eyes"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

opacity

noun
1. opaqueness, cloudiness, density, obscurity, dullness, murkiness, haziness, impermeability, mistiness, milkiness, filminess The opacity of the water is due to its mineral content.
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002
Translations
لا شَفافِيَه، إبْهام، غُموض
uklarhed
ógangsæi
donukluksaydamsızlık

opacity

ʊˈpæsɪtɪ] N [of lens, substance] → opacidad f; [of statement etc] → hermetismo m, ininteligibilidad f
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

opacity

[əʊˈpæsɪti] nopacité f
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

opacity

n
(fig: of essay, meaning etc) → Undurchsichtigkeit f
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

opacity

[əʊˈpæsɪtɪ] nopacità
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

opaque

(əˈpeik) , ((American) ou-) adjective
not transparent. an opaque liquid.
oˈpaqueness noun
opacity (əˈpӕsəti) noun
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.

o·pac·i·ty

n. opacidad, falta de transparencia.
English-Spanish Medical Dictionary © Farlex 2012

opacity

n (pl -ties) opacidad f
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in classic literature ?
The light from the tiny lamps fell in all sorts of odd forms, as the rays crossed each other, or the opacity of our bodies threw great shadows.
Cataract or lens opacity was assessed by scoring and measurement of pixel intensity.
Specific topics include equations for calculating the state of opacity, developments in a double ablation front scheme for iron spectral opacity measurements in solar conditions, opacity enhancement due to diffusion-induced element accumulation inside B-type stars, Monte Carlo simulations of biophysical factors for the viability of life in exoplanetary atmospheres, and the Belgian Repository of fundamental Atomic data and Stellar Spectra: an insight into systematic line selection.
HMG Paints has further expanded its Unit Lite mixing line with the addition of two new lead-free High Opacity Colorants.
HMG Paints has expanded its innovative Unit Lite mixing scheme with the addition of two brand new lead-free High Opacity Colourants.
* Zanders has expanded its label paper portfolio with Zanlabel high gloss, a high-luster, single-sided double-coated quality, which is characterized by its particularly high wet opacity. It has an extra-smooth surface with an attractive appearance and pleasant feel, which achieves excellent printing and finishing results.
[8] Mammographic findings like parenchymal opacity, tissue traction, microcalcification, skin thickening, bloody nipple discharge and nipple retraction may all be suggestive of breast disease.
Wu, "Predominant diffuse ground glass opacity in both lung fields: A case of sarcoidosis with atypical CT findings," Respiratory Medicine Case Reports, vol.
We classify and test empirical measures of firm opacity and document theoretical and empirical inconsistencies across these proxies by testing the relative opacity of banks versus non-banks.
1, 12, 14, 17 The porous opacity of the hypomineralized enamel can be white, yellow or even brown.