Definition of ether - WordReference.com Dictionary

WordReference.com English Dictionary

ether
A	noun
	1	ether, ethoxyethane, divinyl ether, vinyl ether, diethyl ether, ethyl ether
			a colorless volatile highly inflammable liquid formerly used as an inhalation anesthetic
		Category Tree: entity ╚causal agent; cause; causal agency ╚agent ╚drug ╚anesthetic; anaesthetic; anesthetic agent; anaesthetic agent ╚general anesthetic; general anaesthetic ╚inhalation anesthetic; inhalation anaesthetic; inhalation general anesthetic; inhalation general anaesthetic ╚ether, ethoxyethane, divinyl ether, vinyl ether, diethyl ether, ethyl ether ╚enflurane; Ethrane
	2	ether, aether
			a medium that was once supposed to fill all space and to support the propagation of electromagnetic waves
		Category Tree: act; human action; human activity ╚communication; communicating ╚medium ╚ether, aether
	3	ether
			any of a class of organic compounds that have two hydrocarbon groups linked by an oxygen atom
		Category Tree: entity ╚substance; matter ╚compound; chemical compound ╚organic compound ╚ether
	4	quintessence, ether
			the fifth and highest element after air and earth and fire and water; was believed to be the substance composing all heavenly bodies
		Category Tree: entity ╚substance; matter ╚element ╚quintessence, ether

Look up "ether" at Merriam-Webster
Look up "ether" at dictionary.com

Forum discussions with the word(s) 'ether' in the title:

vanish into thin air/ go into ether
For any questions about this word or definition: