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Consult Chambers 21st Century Dictionary, The Chambers Thesaurus (1996) or Chambers Biographical Dictionary (1997 edition with amendments). Enter your search and choose your title from the drop-down menu.
ether noun 1 any of a group of organic chemical compounds formed by the dehydration of alcohols, that are volatile and highly flammable, and contain two hydrocarbon groups linked by an oxygen atom. 2 (also diethyl ether) (formula C2H5OHC2H5) the commonest ether, widely used as a solvent, and formerly employed as an anaesthetic. 3 (also aether) physics a hypothetical medium formerly believed to be necessary for the transmission of electromagnetic radiation, a concept abandoned when the theory of relativity was accepted. 4 (also aether) poetic the clear upper air or a clear sky.
ETYMOLOGY: 17c: from Greek aither the heavens.
ether noun 1 any of a group of organic chemical compounds formed by the dehydration of alcohols, that are volatile and highly flammable, and contain two hydrocarbon groups linked by an oxygen atom. 2 (also diethyl ether) (formula C2H5OHC2H5) the commonest ether, widely used as a solvent, and formerly employed as an anaesthetic. 3 (also aether) physics a hypothetical medium formerly believed to be necessary for the transmission of electromagnetic radiation, a concept abandoned when the theory of relativity was accepted. 4 (also aether) poetic the clear upper air or a clear sky.
ETYMOLOGY: 17c: from Greek aither the heavens.
ether noun 1 any of a group of organic chemical compounds formed by the dehydration of alcohols, that are volatile and highly flammable, and contain two hydrocarbon groups linked by an oxygen atom. 2 (also diethyl ether) (formula C2H5OHC2H5) the commonest ether, widely used as a solvent, and formerly employed as an anaesthetic. 3 (also aether) physics a hypothetical medium formerly believed to be necessary for the transmission of electromagnetic radiation, a concept abandoned when the theory of relativity was accepted. 4 (also aether) poetic the clear upper air or a clear sky.
ETYMOLOGY: 17c: from Greek aither the heavens.
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Chambers Biographical Dictionary
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Consult Chambers 21st Century Dictionary, The Chambers Thesaurus (1996) or Chambers Biographical Dictionary (1997 edition with amendments). Enter your search and choose your title from the drop-down menu.
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