ether

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[edit] English

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[edit] Pronunciation

Rhymes: -iːθə(r)

[edit] Etymology

From Latin æther (the upper pure, bright air), from Ancient Greek αἰθήρ (aithēr, upper air), from αἴθω (aithō, I burn, shine).

[edit] Noun

ether (countable and uncountable; plural ethers)

  1. (organic chemistry, countable) A compound containing an oxygen atom bonded to two hydrocarbon groups.
  2. (organic chemistry, uncountable) Diethyl ether (C4H10O), a compound used as an early anaesthetic.
  3. (ancient philosophy and alchemy, uncountable) A classical physical element, considered as prevalent in the heavens and inaccessible to humans. In some versions of alchemy, this was the fifth element in addition to air, earth, fire and water.
  4. (archaic, physics, uncountable) A substance (aether) once thought to fill all space that allowed electromagnetic waves to pass through it and interact with matter, without exerting any resistance to matter or energy (disproved by Einstein in his Theory of Relativity).
  5. (poetic or literary) The sky or heavens; the upper air.

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[edit] Dutch

[edit] Noun

ether m. (plural ethers, ??? please provide the diminutive!)

  1. (broadcasting) air, broadcasting
    De televisieaanbieder gaat digitale televisie via de ether uitzenden. The television provider is going to broadcast digital television over the air.
  2. ether

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