Dictionary
Find
in
Dictionary
Thesaurus
Translations

Click to move up the list of words
open adoption
open-air
open-and-shut
open bar
open book
open-cast
open chain
open circuit
open classroom
open cluster
open contract
open court
open cut
open dating
open day
open door
open economy
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

opaque

o·paque [ ō páyk ]


adjective 
Definition:
 
1. not transparent or translucent: impervious to light, so that images cannot be seen through it

2. not shiny: dull and without luster

3. hard to understand: obscure and unintelligible in meaning

4. physics impenetrable by radiation: impenetrable by a specific form of radiation



noun  (plural o·paques)
Definition:
 
material through which light cannot pass: something opaque, especially a photographic pigment

[15th century. Directly or via French< Latin opacus "shaded, dark"]

o·paque·ly adverb
o·paque·ness noun
Advertisement

© 2009 Microsoft