Definizione monolingua

ether

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.

Definizione dizionario ether

	etere
	A class of chemical compounds which contain an oxygen atom connected to two (substituted) alkyl groups.

	eteri
	A colorless liquid, slightly soluble in water; used as a reagent, intermediate, anesthetic, and solvent. (Source: MGH)

ètere

Altri significati:

organic chemistry: diethyl ether, C <sub>4</sub> H <sub>10</sub> O

the fifth classic physical element

(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.

(poetic or literary) The sky or heavens; the upper air.

archaic: space filling substance

(organic chemistry, countable) A compound containing an oxygen atom bonded to two hydrocarbon groups.

organic chemistry: a compound containing an oxygen atom bonded to two hydrocarbon groups

poetic and literary: the sky or heavens; the upper air

(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).

(organic chemistry, uncountable) Diethyl ether (C <sub>4</sub> H <sub>10</sub> O), a compound used as an early anaesthetic.