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Property of an object or substance that is impervious to light
Opacity is the measure of impenetrability to electromagnetic or other kinds of radiation, especially visible light. In radiative transfer, it describes
Opacity
Medical condition
used when the cornea of the eye loses its transparency. The term corneal opacity is used particularly for the loss of transparency of cornea due to scarring
Corneal_opacity
Topics referred to by the same term
Look up opacity or opaque in Wiktionary, the free dictionary. Opacity or opaque may refer to: Impediments to (especially, visible) light: Opacities, absorption
Opacity_(disambiguation)
Optical law in astrophysics
Kramers' opacity law describes the opacity of a medium in terms of the ambient density and temperature, assuming that the opacity is dominated by bound-free
Kramers'_opacity_law
Radiologic sign on radiographs and computed tomography scans
Ground-glass opacity (GGO) is a finding seen on chest x-ray (radiograph) or computed tomography (CT) imaging of the lungs. It is typically defined as
Ground-glass_opacity
§ Brackets and transcription delimiters. Phonological opacity is a phenomenon in phonology. Opacity exists when a phonological rule that exists in a given
Phonological_opacity
Reliance on design or implementation secrecy for security
In security engineering, security through obscurity is the practice of concealing the details or mechanisms of a system to enhance its security. This approach
Security_through_obscurity
Removal of opacified lens from the eye
Cataract surgery is the removal of the natural lens of the eye that has developed a cataract, an opaque or cloudy area. The eye's natural lens is usually
Cataract_surgery
Protein family
Opacity family porins are a family of porins from pathogenic Neisseria. These bacteria possess a repertoire of phase-variable opacity proteins that mediate
Opacity_porins
Context where substituting equivalent expressions can change truth or meaning
An opaque context or referentially opaque context is a linguistic context in which it is not always possible to substitute "co-referential" expressions
Opaque_context
Type of foreign policy
nuclear weapons, which its commentators term "nuclear ambiguity" or "nuclear opacity". It is a general consensus that Israel is in possession of nuclear weapons
Policy of deliberate ambiguity
Policy_of_deliberate_ambiguity
Property of paint
manifesting in the opacity of a layer of paint. The term hiding is generic and applied to designate either hiding power or opacity. If the coating of
Hiding_power
Scale for measuring the opacity of smoke
The Ringelmann scale is a scale for measuring the apparent density or opacity of smoke. It was developed by a French professor of agricultural engineering
Ringelmann_scale
French writer, poet, philosopher and literary critic
upon the theory of the rhizome. In Poetics of Relation, Glissant explores opacity. This refers to something not being able to be translated or known. Glissant
Édouard_Glissant
for details; The attenuation coefficient is also sometimes called opacity; see opacity (optics). A very similar approach uses the penetration depth: E (
Mathematical descriptions of opacity
Mathematical_descriptions_of_opacity
2015 EP by SikTh
Opacities is the fourth EP by British progressive metal band SikTh. The EP is the band's first release since reforming in 2014. Opacities was self–released
Opacities_(EP)
Graphic depiction of a geographic phenomenon
sub-symbols, often either random or as a regular grid. Transparency or Opacity, the mathematical blending of symbols of overlapping features, giving the
Map_symbol
Solid, non-blisterform elevated areas in or under the skin
pulmonology, when imaging the lungs by radiography, a nodule is a round, focal opacity in the lung tissue of less than 3 cm in diameter, with lesions larger than
Nodule_(medicine)
Mythical object that grants invisibility
A cloak of invisibility is an item that prevents the wearer from being seen. In folklore, mythology and fairy tales, a cloak of invisibility appears either
Cloak_of_invisibility
How two or more digital photo layers are mixed together
modify the basic blend modes, for example by applying different levels of opacity to the top "layer". The top "layer" is not necessarily a layer in the application;
Blend_modes
Legwear for the feet and legs
of knitted fabric, and its thickness and weight is defined by denier or opacity. Lower denier measurements of 5 to 15 describe a hose which may be sheer
Hosiery
Term for abstraction in computer programming
In the context of computer programming, magic is an informal term for abstraction; it is used to describe code that handles complex tasks while hiding
Magic_(programming)
Type of variable star that pulsates radially
Cepheids change brightness due to the κ–mechanism, which occurs when the opacity of a star's atmosphere increases with temperature rather than decreasing
Cepheid_variable
Seven stages that occur after a human being dies
and examination. The stages that follow shortly after death are: Corneal opacity, "clouding" in the eyes Pallor mortis, paleness which happens in the first
Stages_of_human_death
Medical condition
of vision loss. Corneal cloudiness may have myriad of causes. Corneal opacity that results from hereditary dystrophies is usually symmetric. Corneal
Primary_congenital_glaucoma
Cause of changes in luminosity in pulsating variable stars
The kappa opacity mechanism (κ-mechanism) is the driving mechanism behind the changes in luminosity of many types of pulsating variable stars. The term
Kappa_mechanism
Genus of mid-level cloud
arranged in several layers, is coded CM9. Opacity-based varieties: Altocumulus stratiformis has three opacity-based varieties: translucidus (CM3), perlucidus
Altocumulus_cloud
Radiologic finding at the lung apex
Apical cap is a descriptive radiology term for a thin, cap-shaped opacity at one or both lung apices seen on chest radiography or computed tomography
Apical_cap_(lung)
Region of a star
where κ(r) is the opacity, ρ(r) is the matter density, L(r) is the luminosity, and σB is the Stefan–Boltzmann constant. Hence the opacity (κ) and radiation
Radiative_zone
Type of cloud
Stratus clouds are low-level clouds characterized by horizontal layering with a uniform base, as opposed to convective or cumuliform clouds formed by rising
Stratus_cloud
Term in linguistics
Advocates of normative linguistic transparency often argue that linguistic opacity is dangerous to a democracy. These critics point out that jargon is deliberately
Transparency_(linguistics)
Glass with electrically switchable opacity
electrochromic windows, the material changes its opacity. A burst of electricity is required for changing its opacity, but the material maintains its shade with
Smart_glass
Medical condition
of life. This cloudiness, or opacity, causes the corneal epithelium to become elevated, which leads to corneal opacities. The corneal erosions may prompt
Reis–Bucklers corneal dystrophy
Reis–Bucklers_corneal_dystrophy
Type of paint
Gouache paints come in many colors and are usually mixed with water to achieve the desired working properties and to control the opacity when dry.
Gouache
a rounded appearance on the top, with the lower part appearing ragged. Opacity-based None; always translucent except species spissatus which is inherently
List_of_cloud_types
Paint made from lime and chalk
has very low opacity, which can lead novices to overthicken the paint. Drying increases opacity and subsequent curing increases opacity even further.
Whitewash
Physical property of allowing light
brilliant spectrum of every color. The opposite property of translucency is opacity. Other categories of visual appearance, related to the perception of regular
Transparency_and_translucency
Luminosity–temperature relationship in stars
and have their opacity dominated by hydrogen ions. Stars less than 0.5 M☉ are fully convective even on the main sequence, but their opacity begins to be
Hayashi_track
Medical condition
other parts of the iris. Attachment to the cornea can cause small corneal opacities, while attachment to the lens can cause small cataracts. Using topical
Persistent_pupillary_membrane
Paper made to have low opacity, allowing light to pass through
Tracing paper is paper made to have low opacity, allowing light to pass through. Its origins date back to at least the 1300s, when it was used by artists
Tracing_paper
Type of translucent glass
through, thus blurring images while still transmitting light. It has 10–20% opacity.[citation needed] General applications include: To achieve visual privacy
Frosted_glass
Benign type of pneumoconiosis
months of exposure. Barium compounds have a high radio-opacity. Extremely dense, discrete small opacities of 2–4 mm diameter, sometimes of a star-like configuration
Baritosis
Difference in coloration, usually of the iris but also of hair or skin
marginal degeneration Post-LASIK ectasia Keratoconjunctivitis sicca Corneal opacity Corneal neovascularization Kayser–Fleischer ring Haab's striae Arcus senilis
Heterochromia
2026 Indian film by H. Vinoth
processes. He argued that "freedom of expression should never be diminished by opacity" and demanded transparent, time-bound evaluations with "written, reasoned
Jana_Nayagan
X-ray of pneumocystis pneumonia (PCP). There is increased white (opacity) in the lower lungs on both sides, characteristic of PCP.
Signs and symptoms of HIV/AIDS
Signs_and_symptoms_of_HIV/AIDS
Attribute of a physical system or body or non-chemical property of a material
properties admit more specific related quantitative properties, such as in opacity, hardness, ductility, viscosity, etc. Physical properties are often characterized
Physical_property
Projection X-ray of the chest
blurred, this implies a process at the lingula. A lung nodule is a discrete opacity in the lung which may be caused by: Neoplasm: benign or malignant Granuloma:
Chest_radiograph
Removal of tissue from the cornea using a laser
tissue from the cornea. PTK allows the removal of superficial corneal opacities and surface irregularities. It is similar to photorefractive keratectomy
Phototherapeutic_keratectomy
Failure of the brain to process input from one eye
such as is the case with congenital cataract or corneal haziness. These opacities prevent adequate visual input from reaching the eye, and disrupt development
Amblyopia
Milk based brandy or bourbon beverage
the milk to curdle, so that the solids contributing to the beverage's opacity may be strained out. The drink was first recorded in William Sacheverell's
Milk_punch
Topics referred to by the same term
Look up cataract in Wiktionary, the free dictionary. A cataract is an opacity in the lens of the eye or its capsule. Cataract also may refer to: Cataract
Cataract_(disambiguation)
Diseases of the space or tissue between the alveoli of the lungs
Interstitial lung disease (ILD), or diffuse parenchymal lung disease (DPLD), is a group of respiratory diseases affecting the interstitium (the tissue)
Interstitial_lung_disease
Municipal election in Ontario, Canada
Results map by polling subdivision, with opacity adjusted by vote density
2023 Toronto mayoral by-election
2023_Toronto_mayoral_by-election
Distinctive narrow spectral feature of chemical species
rather than simply upon conditions that are local to the emitting particle. Opacity broadening is an example of a non-local broadening mechanism. Electromagnetic
Spectral_line
Real estate company
Sun Hung Kai Properties Limited (SHKP) is a listed corporation and one of the largest property developers in Hong Kong. The company's businesses include
Sun_Hung_Kai_Properties
Developers and controversies in Hong Kong real estate
for his policies, comparing him to the devil. Suffering criticisms of opacity, the association engaged Ogilvy Public Relations, at whose behest a website
Property developers in Hong Kong
Property_developers_in_Hong_Kong
Family class 3 cloud type
A stratocumulus cloud [Kämtz 1840], occasionally called a cumulostratus, belongs to a genus-type of clouds characterized by large dark, rounded masses
Stratocumulus_cloud
Cosmetic product
gives off a more pigmented color.) The product is available in ranges of opacity from translucent to solid and can have variously frosted, glittery, glossy
Lip_gloss
Opacity in the eye's lens present at birth
cataracts are a lens opacity that is present at birth. Congenital cataracts occur in a broad range of severity. Some lens opacities do not progress and
Congenital_cataract
Method of defining surface detail on a computer-generated graphic or 3D model
Examples of multitexturing: 1: Untextured sphere, 2: Texture and bump maps, 3: Texture map only, 4: Opacity and texture maps
Texture_mapping
Two-dimensional vector image file format
radial (circular), and can involve any number of colors as well as repeats. Opacity gradients can also be specified. Patterns are based on predefined raster
SVG
A riometer (commonly relative ionospheric opacity meter, although originally: Relative Ionospheric Opacity Meter for Extra-Terrestrial Emissions of Radio
Riometer
Battery electric full-size crossover SUV
7 ft2) power-dimming panoramic sunroof is also present and has 10 levels of opacity that can be changed by voice control or through the touchscreen. The ID
Volkswagen_ID._Unyx_08
Dark nebula in the constellation Ophiuchus
with 7× binoculars. The nebula has two main parts: the Pipe Stem with an opacity of 6 which is composed of Barnard 59, 65, 66, and 67 (also known as LDN
Pipe_Nebula
1298 battle of the First War of Scottish Independence
the Battle by OS". Central Retail Park from zoomable 25 inch OS map with opacity slider. Ordnance Survey. Archived from the original on 30 November 2012
Battle_of_Falkirk
Catalog of Dark Nebula
Declination (J2000.0) Galactic longitude Galactic latitude Area (square degrees) Opacity (1–6) 1 16:28.9 -16:07 0.18 21.82 0.054 3 2 18:07.2 -31:30 0.13 -5.32 1
Lynds' Catalogue of Dark Nebulae
Lynds'_Catalogue_of_Dark_Nebulae
Scan of the heart for the assessment of heart disease
develop. These calcifications can be detected by CT imaging because of their opacity to x-rays. This severity can be presented as an Agatston score or coronary
Coronary_CT_calcium_scan
Pattern seen in radiologic examinations
the apical right upper lobe, with a non-dependent soft-tissue nodule within it. Also, there is some subtle ground-glass opacity surrounding the lesion.
Air_crescent_sign
Shards of non-gem-quality diamonds
dark, imperfectly formed or crystallized diamonds of varying levels of opacity. The word is ultimately Dutch and is related to the English term for drilling
Bort
Visual representation of data
negative values. C. Divide the graph into distinct bands. D. Adjust the opacity of the areas based on the number of subdivisions. E. Layer the obtained
Horizon_chart
Former hospital in Michigan, United States
of their lives. "Ypsilanti State Hospital." Opacity. Ed. Tom Kirsch. Web. 1 Nov. 2009. <http://www.opacity.us/site102_ypsilanti_state_hospital.htm Archived
Ypsilanti_State_Hospital
1991 horror film by Jonathan Demme
Kirsch, Tom (October 21, 2005). "Western Center – Abandoned Photography". Opacity. Archived from the original on February 8, 2014. Retrieved March 11, 2014
The Silence of the Lambs (film)
The_Silence_of_the_Lambs_(film)
Type of eye infection
marginal degeneration Post-LASIK ectasia Keratoconjunctivitis sicca Corneal opacity Corneal neovascularization Kayser–Fleischer ring Haab's striae Arcus senilis
Toxoplasmic_chorioretinitis
Radiologic sign
radiographs with interstitial pulmonary edema. They are thin linear pulmonary opacities caused by fluid or cellular infiltration into the interstitium of the
Kerley_lines
Medical condition
be a sign of high cholesterol. It is the most common peripheral corneal opacity, and is usually found in the elderly where it is considered a benign condition
Arcus_senilis
Pattern seen in radiologic examinations
Distinct fibrotic scar and hilar opacity following secondary tuberculosis on chest x-ray
Omental_cake
Formation of opaque spots on the transparent cornea of the eye
Granular corneal dystrophy type II, Variable sized crumb-like opacities in the corneal stroma that have become fused in areas giving rise to elongated
Granular_corneal_dystrophy
Physical process by which matter takes up a photon's energy and stores it
Rough plot of Earth's atmospheric transmittance (or opacity) to various wavelengths of electromagnetic radiation, including visible light
Absorption (electromagnetic radiation)
Absorption_(electromagnetic_radiation)
needs to simplify the treatment of opacity. Methods used in photospheric models include: Opacity sampling (OS) Opacity sampling means that the radiative
Model_photosphere
Eye that appears red due to illness or injury
flush (circumcorneal injection) Corneal abnormalities including edema or opacities ("corneal haze") Corneal staining Pupil abormalities including abormal
Red_eye_(medicine)
Contagious disease caused by SARS-CoV-2
lungs, white patches were observed containing fluid known as ground-glass opacity (GGO) or simply ground glass. This tended to correlate with the clear jelly
COVID-19
Radiologic sign
reversed batwing sign is a radiologic sign describing a pattern of lung opacities in which abnormalities are predominantly peripheral, with relative sparing
Reversed_batwing_sign
Level of opacity to the radio wave and X-ray portion of the electromagnetic spectrum
Radiodensity (or radiopacity) refers to the degree of opacity to the radio wave and X-ray portion of the electromagnetic spectrum: that is, the relative
Radiodensity
Form of strabismus in which the eyes turn inward
marginal degeneration Post-LASIK ectasia Keratoconjunctivitis sicca Corneal opacity Corneal neovascularization Kayser–Fleischer ring Haab's striae Arcus senilis
Esotropia
Continuous band of stars that appears on plots of stellar color versus brightness
similar-mass main sequence stars. In fact, a higher metallicity leads to a higher opacity whereby the energy production can remain concentrated in the core without
Main_sequence
Transparent variety of gypsum
Selenite is most often transparent and colorless. If selenite crystals show opacity or color, these are caused by the presence of other minerals, sometimes
Selenite_(gypsum)
Painting by Marie-Guillemine Benoist
neatly into either category. Drawing on Édouard Glissant’s concept of opacity, Bishop suggests that the sitter's expression, the absence of her name
Portrait_of_Madeleine
Element representing a value on a grid in three dimensional space
can consist of a single datum, such as an opacity, or multiple data, such as a color in addition to opacity. A voxel represents only a single point on
Voxel
American internet entrepreneur (born 1980s)
value of the concept. In a MIT Technology Review piece entitled "Radical Opacity", Poole was described as being the antithesis of the Meta founder Mark
Christopher_Poole
Swelling of the conjunctiva
marginal degeneration Post-LASIK ectasia Keratoconjunctivitis sicca Corneal opacity Corneal neovascularization Kayser–Fleischer ring Haab's striae Arcus senilis
Chemosis
Selection of António Guterres
information came in the form of leaks. There has been criticism of the opacity of the process. Writing in Singapore's Straits Times, Simon Chesterman
2016 United Nations Secretary-General selection
2016_United_Nations_Secretary-General_selection
1858 pollution event in central London
he dropped pieces of white paper into the river to "test the degree of opacity". His conclusion was that "Near the bridges the feculence rolled up in
Great_Stink
Operation in computer graphics
components represent the color of the object or pixel, disregarding its opacity. This is the method implied by the over operator in the previous section
Alpha_compositing
Decline in online platform quality
conditions to workers toward implementing policies that increase precarity, opacity, and unequal power dynamics. Their analysis positions enshittification
Enshittification
Visual disturbance
marginal degeneration Post-LASIK ectasia Keratoconjunctivitis sicca Corneal opacity Corneal neovascularization Kayser–Fleischer ring Haab's striae Arcus senilis
Oscillopsia
Class of hallucination
include entoptic phenomena such as "floaters", which are instead caused by opacities in the vitreous humour and often appear as cells or strands in the field
Closed-eye_hallucination
Plastic exterior siding for buildings
resin, with the remaining 20 percent being ingredients that impart color, opacity, gloss, impact resistance, flexibility, and durability. It is the most
Vinyl_siding
American artificial intelligence research scientist
arguing that the centrality of tech to core social institutions, and the opacity of tech deployment, made such disclosures crucial to the public interest
Meredith_Whittaker
Musical artist
piano-based composition. Subsequent releases, including Attachment (2016) and Opacity (2017), released by the UK label Home Normal, further developed this direction
Jason_van_Wyk
Swelling of the eye's optic disc due to high intracranial pressure
marginal degeneration Post-LASIK ectasia Keratoconjunctivitis sicca Corneal opacity Corneal neovascularization Kayser–Fleischer ring Haab's striae Arcus senilis
Papilledema
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OPACITY
OPACITY
Surname or Lastname
English
English : habitational name from the city of York in northern England, or perhaps in some cases a regional name from the county of Yorkshire. The surname is now widespread throughout England. Originally, the city bore the British name Eburacum, which probably meant ‘yew-tree place’. This was altered by folk etymology into Old English EoforwÄ«c (from the elements eofor ‘wild boar’ + wÄ«c ‘outlying settlement’). This name was taken over by Scandinavian settlers in the area, who altered it back to opacity in the form IorvÃk and eventually Iork, in which form it finally settled by the 13th century. The surname has also been adopted by Jews as an Americanized form of various like-sounding Jewish surnames.
OPACITY
OPACITY
OPACITY
OPACITY
OPACITY
OPACITY
OPACITY
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