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ether Definition

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ether
noun(e-ther)
a colorless volatile highly flammable liquid formerly used as an inhalation anesthetic
Synonyms: diethyl ether, divinyl ether, ethoxyethane, ethyl ether, vinyl ether,
ether
noun(e-ther)
a medium that was once supposed to fill all space and to support the propagation of electromagnetic waves
Synonyms: aether,
ether
noun(e-ther)
the fifth and highest element after air and earth and fire and water; was believed to be the substance composing all heavenly bodies
Synonyms: quintessence,
ether
noun(e-ther)
any of a class of organic compounds that have two hydrocarbon groups linked by an oxygen atom

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