opacity

[ oh-pas-i-tee ]

/ oʊˈpæs ɪ ti /

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See synonyms for opacity on Thesaurus.com

noun, plural o·pac·i·ties.

the state or quality of being opaque.

something opaque.

the degree to which a substance is opaque; capacity for being opaque.

Photography. the proportion of the light that is absorbed by the emulsion on any given area of a film or plate.

obscurity of meaning.

mental dullness.

Medicine/Medical. an opaque spot or area in normally clear or transparent tissue, as a cataract of the eye.

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Origin of opacity

First recorded in 1550–60, opacity is from the Latin word opācitās shade. See opaque, -ity

OTHER WORDS FROM opacity

non·o·pac·i·ty, noun, plural non·o·pac·i·ties.

Words nearby opacity

oozy, op, OPA, opacification, opacify, opacity, opacus, opah, opal, opalesce, opalescence

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use opacity in a sentence

How publishers can solve their third-party data strugglesThird-party data struggles most when it comes to opacity in the source, recency, accuracy and relevance.
Third-party data: Is the juice worth the squeeze?|Carbon AI|December 9, 2020|Digiday
Last year, DiCarlo’s team published results that took on both the opacity of deep nets and their alleged inability to generalize.
Deep Neural Networks Help to Explain Living Brains|Anil Ananthaswamy|October 28, 2020|Quanta Magazine
On the contrary, we find an opacity we have to learn to deal with.
Google Smart Shopping Campaigns: Everything you need to know to get started|Manuel Vilella Salcedo|October 12, 2020|Search Engine Land
In return, the price to be paid is to give up certain information and accept the opacity of this type of campaign, in addition to the lack of control in certain aspects.
Google Smart Shopping Campaigns: Everything you need to know to get started|Manuel Vilella Salcedo|October 12, 2020|Search Engine Land

Through its vaccine diplomacy, China hopes to soften the global anti-Beijing sentiment that grew at the start of the year because of its opacity over the origin of the coronavirus.
Butterfly Effect: Putin, Xi Are Trumping America at Vaccine Diplomacy|Charu Kasturi|October 8, 2020|Ozy
The sombre vision of nature's secret laws is interdicted to man by the fatal opacity of surrounding things.
Toilers of the Sea|Victor Hugo
The first possesses the greatest opacity, while the second and third are most durable.
Field's Chromatography|George Field
Anatomical changes took place in the cornea, as evidenced by a white opacity.
Poisons: Their Effects and Detection|Alexander Wynter Blyth
The blue sky is more beautiful because we know it is not painted opacity, but transparent.
More Pages from a Journal|Mark Rutherford
It may be she was not very visible; the double glasses of an open sash-window are almost equal to opacity.
Somehow Good|William de Morgan

British Dictionary definitions for opacity

opacity

/ (əʊˈpæsɪtɪ) /

noun plural -ties

the state or quality of being opaque

the degree to which something is opaque

an opaque object or substance

obscurity of meaning; unintelligibility

physics photog the ratio of the intensity of light incident on a medium, such as a photographic film, to that transmitted through the medium

logic philosophy the property of being an opaque context

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

Medical definitions for opacity

opacity

[ ō-păs′ĭ-tē ]

The quality or state of being opaque.

An opaque or nontransparent area, as of the cornea.

opacity

Origin of opacity

OTHER WORDS FROM opacity

Words nearby opacity

Words related to opacity

How to use opacity in a sentence

British Dictionary definitions for opacity

Medical definitions for opacity