英语词汇“ether”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	ether
释义	ether —etheric /i ther"ik, i thear"-/, adj. /ee"theuhr/, n. 1. Also called diethyl ether, diethyl oxide, ethyl ether, ethyl oxide, sulfuric ether. Chem., Pharm. a colorless, highly volatile, flammable liquid, C₄H₁₀O, having an aromatic odor and sweet, burning taste, derived from ethyl alcohol by the action of sulfuric acid: used as a solvent and, formerly, as an inhalant anesthetic. 2. Chem. (formerly) one of a class of compounds in which two organic groups are attached directly to an oxygen atom, having the general formula ROR. 3. the upper regions of space; the clear sky; the heavens. 4. the medium supposed by the ancients to fill the upper regions of space. 5. Physics. a hypothetical substance supposed to occupy all space, postulated to account for the propagation of electromagnetic radiation through space. Cf. Michelson-Morley experiment. Also, aether (for defs. 3-5). [1350-1400; ME < L aether the upper air, pure air, ether < Gk aithér, akin to aíthein to glow, burn, OE ad funeral pyre, L aestus heat]
随便看	papule papyraceous papyrology papyrus par par- par. para para- Para. para-aminobenzoic acid parabasis parabiosis parablast parable parabola parabolic parabolize paraboloid parabrake Paracelsus paracentesis paracetaldehyde parachronism parachute

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