A void into which things disappear, or from which nothing emerges; an impenetrable area or subject; an area impervious to communication.
A place of punitive confinement; a lockup or cell; a military guardroom.
A dangerous optical illusion that can occur on a nighttime approach with dark, featureless terrain between the aircraft and a brightly-lit runway, where the aircraft appears to the pilots to be higher up than it actually is, potentially triggering a premature or overly-steep descent and a crash short of the runway.
A place where incoming traffic is silently discarded.
A gravitationally domineering celestial body with an event horizon from which even light cannot escape; the most dense material in the universe, condensed into a singularity, usually formed by a collapsing massive star.
A bit bucket; a place of permanent oblivion for data.
To redirect (network traffic, etc.) nowhere; to discard (incoming traffic).
The sky, the heavens; the void, nothingness.
Starting fluid.
Diethyl ether (C₄H₁₀O), an organic compound with a sweet odour used in the past as an anaesthetic.
The medium breathed by human beings; the air.
A particular quality created by or surrounding an object, person, or place; an atmosphere, an aura.
Any of a class of organic compounds containing an oxygen atom bonded to two hydrocarbon groups.
The atmosphere or space as a medium for broadcasting radio and television signals; also, a notional space through which Internet and other digital communications take place; cyberspace.
Often as aether and more fully as luminiferous aether: a substance once thought to fill all unoccupied space that allowed electromagnetic waves to pass through it and interact with matter, without exerting any resistance to matter or energy; its existence was disproved by the 1887 Michelson–Morley experiment and the theory of relativity propounded by Albert Einstein (1879–1955).
To viciously humiliate or insult.