opaque
Concise Oxford English Dictionary © 2008 Oxford University Press:
opaque /ə(ʊ)ˈpeɪk/
▶adjective (opaquer, opaquest)
- 1 not able to be seen through; not transparent.
- 2 difficult or impossible to understand.
■ Photography a substance for producing opaque areas on negatives.
– derivatives
opaquely adverb,
opaqueness noun.
opaquely adverb,
opaqueness noun.
– origin ME opake, from L. opacus ‘darkened’.
'opaque' also found in these Oxford entries:
arcus senilis
- barium
- black diamond
- blancmange
- body colour
- carbonado
- cataract
- chert
- chlorella
- cloud
- correction fluid
- devitrify
- dun
- enamel
- epidiascope
- episcope
- gouache
- India paper
- ironstone
- jasper
- liquid crystal display
- maiolica
- milk-white
- milky
- mousseline
- opacify
- opacity
- penumbra
- poster paint
- pus
- radiopaque
- radioscopy
- scratch card
- scrim
- scumble
- stoneware
- thick
- tin glaze
- turbid
- turquoise
- umbra
- wall eye
- X-ray
- X-ray fish
- zone plate
