Opaque - Definitions from Dictionary.com

9 results for: Opaque

Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

o·paque

Audio Help [oh-peyk] Pronunciation Key adjective, noun, verb, o·paqued, o·paqu·ing.

–adjective

1.	not transparent or translucent; impenetrable to light; not allowing light to pass through.

2.	not transmitting radiation, sound, heat, etc.

3.	not shining or bright; dark; dull.

4.	hard to understand; not clear or lucid; obscure: The problem remains opaque despite explanations.

5.	dull, stupid, or unintelligent.

–noun

6.	something that is opaque.

7.	Photography. a coloring matter, usually black or red, used to render part of a negative opaque.

–verb (used with object)

8.	Photography. to cover up blemishes on (a negative), esp. for making a printing plate.

9.	to cause to become opaque.

[Origin: 1375–1425; late ME opake < L opācus shaded

]

—Related forms

o·paque·ly, adverb

o·paque·ness, noun

—Synonyms 1. murky, cloudy, muddy.

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Encyclopædia Britannica, Inc.
Opaque

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American Heritage Dictionary - Cite This Source - Share This

o·paque Audio Help (ō-pāk') Pronunciation Key
adj.

1. Impenetrable by light; neither transparent nor translucent.
2. Not reflecting light; having no luster: an opaque finish.
3. So obscure as to be unintelligible: "opaque, elusive, minimal meanings" (John Simon).
4. Obtuse of mind; dense. See Synonyms at dark.
Impenetrable by a form of radiant energy other than visible light: a chemical solution opaque to x-rays.
1. So obscure as to be unintelligible: "opaque, elusive, minimal meanings" (John Simon).
2. Obtuse of mind; dense. See Synonyms at dark.

n. Something that is opaque, especially an opaque pigment used to darken parts of a photographic print or negative.

[Middle English opake, shady, and French opaque, opaque (from Old French, shady), both from Latin opācus.]

o·paque'ly adv., o·paque'ness n.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

Online Etymology Dictionary - Cite This Source - Share This
opaque

c.1420, opake, from L. opacus "shaded, shady, dark," of unknown origin. Spelling infl. after c.1650 by Fr. opaque (c.1500), from the L.

WordNet - Cite This Source - Share This

opaque
adjective
1.	not transmitting or reflecting light or radiant energy; impenetrable to sight; "opaque windows of the jail"; "opaque to X-rays" [ant: clear]
2.	not clearly understood or expressed

Kernerman English Multilingual Dictionary - Cite This Source - Share This
opaque [əˈpeik, (American) ou-] adjective

not transparent
Example: an opaque liquid

Arabic:	غامِض غَيْر شَفّاف
Chinese (Simplified):	不透明的
Chinese (Traditional):	不透明的
Czech:	neprůzračný
Danish:	uigennemsigtig
Dutch:	ondoorzichtig
Estonian:	läbipaistmatu
Finnish:	samea
French:	opaque
German:	undurchsichtig
Greek:	αδιαφανής
Hungarian:	átlátszatlan
Icelandic:	ógagnsær
Indonesian:	buram
Italian:	opaco

Japanese:	不透明な
Korean:	불투명한
Latvian:	necaurredzams, necaurspīdīgs
Lithuanian:	nepermatomas, matinis
Norwegian:	ugjennomsiktig
Polish:	nieprzezroczysty
Portuguese (Brazil):	opaco
Portuguese (Portugal):	opaco
Romanian:	opac
Russian:	непрозрачный
Slovak:	nepriehľadný
Slovenian:	moten
Spanish:	opaco
Swedish:	ogenomskinlig
Turkish:	saydam olmayan

The American Heritage Science Dictionary - Cite This Source - Share This

opaque Audio Help (ō-pāk') Pronunciation Key
Resistant to the transmission of certain kinds of radiation, usually light. Metals and many minerals are opaque to light, while being transparent to radio waves and neutrinos. Compare translucent , transparent.