a dark hole in space
No it means, 'Impenetrable by light - neither transparent nor translucent.'
source of light and object impenetrable by light
It might refer to one that is so thick, or so dense, that light won't go through it.
The steel curtain
The phrase "wrapped in an impenetrable mist" could mean that the area is covered in thick fog that you can't see through. If it is being used symbolically, it could mean that an area is undiscovered, or even that someone is unable to think straight (as in "my mind was wrapped in an impenetrable mist").
The phrase "wrapped in an impenetrable mist" could mean that the area is covered in thick fog that you can't see through. If it is being used symbolically, it could mean that an area is undiscovered, or even that someone is unable to think straight (as in "my mind was wrapped in an impenetrable mist").
Impenetrable- The fort's defenses were thought to be impenetrable.
No. 'Opaque' is a term meaning impenetrable by light; neither transparent nor translucent.
The fortress walls were impenetrable, standing strong against any attempts of intrusion.
His shield was made of an impenetrable material.
IMPENETRABLE : unable to be penetrated or breached, impassable, impervious Example : "The concrete dam was an impenetrable obstacle for the fish." The word is used metaphorically for apparently unbeatable blockages or impediments. A book or written form may be "impenetrable" when it cannot be directly understood, or a determined bloc of voters may present an "impenetrable" opposition to an attempt to pass a law.