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Từ điển Oxford Learners Wordfinder Dictionary
ether


noun
1. the fifth and highest element after air and earth and fire and water;
was believed to be the substance composing all heavenly bodies
Syn:
quintessence
Derivationally related forms:
ethereal, quintessential (for: quintessence)
Usage Domain:
archaism, archaicism
Hypernyms:
element
2. any of a class of organic compounds that have two hydrocarbon groups linked by an oxygen atom
Derivationally related forms:
ethereal
Hypernyms:
organic compound
3. a colorless volatile highly inflammable liquid formerly used as an inhalation anesthetic
Syn:
ethoxyethane, divinyl ether, vinyl ether, diethyl ether, ethyl ether
Derivationally related forms:
ethereal, etherize, etherify
Hypernyms:
inhalation anesthetic, inhalation anaesthetic, inhalation general anesthetic, inhalation general anaesthetic
Hyponyms:
enflurane, Ethrane
4. a medium that was once supposed to fill all space and to support the propagation of electromagnetic waves
Syn:
aether
Hypernyms:
medium

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