ether

ether
[ˈiːθə]
noun
[mass noun]

(Chemistry)a pleasant-smelling colourless volatile liquid that is highly flammable. It is used as an anaesthetic and as a solvent or intermediate in industrial processes
(化)乙醚
Alternative names: diethyl ether, ethoxyethane; chem. formula: C₂H₅OC₂H₅
又名：diethyl ether, ethoxyethane；化学分子式：C₂H₅OC₂H₅
■[count noun]any organic compound with a similar structure to this, having an oxygen atom linking two alkyl or other organic groups
醚
methyl t-butyl ether.
甲基特丁乙醚。
(亦作 aether)(chiefly poetic/literary)the clear sky; the upper regions of air beyond the clouds
(主诗／文)太空；苍穹
nasty gases and smoke disperse into the ether.
污秽的气体和烟雾向空中散去。
(亦作 aether)(Physics, archaic)a very rarefied and highly elastic substance formerly believed to permeate all space, including the interstices between the particles of matter, and to be the medium whose vibrations constituted light and other electromagnetic radiation
(物理古)以太，能媒
■(the ether)(informal)air regarded as a medium for radio
(非正式)大气
choral evensong still wafts across the ether.
唱诗班的晚祷声仍然在空中回荡。

派生
etheric
[iːˈθɛrɪk, ˈiːθ(ə)rɪk]
adjective
语源

late Middle English: from Old French, or via Latin from Greek aithēr 'upper air', from the base of aithein 'burn, shine'. Originally the word denoted a substance believed to occupy space beyond the sphere of the moon. Sense 3 arose in the mid 17th cent. and sense 1 in the mid 18th cent

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