ether
1.
(
noun
) a colorless volatile highly inflammable liquid used as an inhalation anesthetic
Synonyms:
diethel ether
,
divinyl ether
,
ethoxyethane
,
ethyl ether
,
vinyl ether
Related Words:
inhalation anaesthetic
,
inhalation anesthetic
,
inhalation general anaesthetic
,
inhalation general anesthetic
2.
(
noun
) a medium that was once supposed to fill all space and to support the propagation of electromagnetic waves
Synonyms:
aether
Related Words:
medium
3.
(
noun
) (archaic) 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
Related Words:
element
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