Topical Terminology > Black Hole
Black Hole
For Black Hole we have terms and definitions in 5 topics. The topics are Drugs, Lighting, Nuclear, Solar Physics and Universe.
Black Hole (Drugs) 
The depressant high associated with ketamine
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Black Hole (Lighting)
Refers to an opening or window in a room that appears to be empty darkness, especially at night, because there is insufficient illumination at the other side to light up the objects or features framed by the opening.
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Black Hole (Nuclear)
An object so dense that light cannot escape from it.
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Black Hole (Solar Physics)
A region of space that has so much mass concentrated in it that there is no way for a nearby object to escape its gravitational pull.
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Black Hole (Universe)
An object whose immense gravitational field entraps anything, even light, that gets too close (closer than the black hole's event horizon).
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