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ETHER
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I. (noun)
Sense 1
Meaning:
A colorless volatile highly flammable liquid formerly used as an inhalation anesthetic
Synonyms:
diethyl ether; divinyl ether; ether; ethoxyethane; ethyl ether; vinyl ether
Classified under:
Nouns denoting man-made objects
Hypernyms ("ether" is a kind of...):
inhalation anaesthetic; inhalation anesthetic; inhalation general anaesthetic; inhalation general anesthetic (a gas that produces general anesthesia when inhaled)
Hyponyms (each of the following is a kind of "ether"):
enflurane; Ethrane (a nonflammable liquid (trade name Ethrane) used as an inhalation general anesthetic)
Derivation:
ethereal (of or containing or dissolved in ether)
etherify (change into an ether)
etherize (anesthetize with ether)
Sense 2
Meaning:
A medium that was once supposed to fill all space and to support the propagation of electromagnetic waves
Synonyms:
aether; ether
Classified under:
Nouns denoting communicative processes and contents
Hypernyms ("ether" is a kind of...):
medium (an intervening substance through which signals can travel as a means for communication)
Sense 3
Meaning:
Any of a class of organic compounds that have two hydrocarbon groups linked by an oxygen atom
Classified under:
Hypernyms ("ether" is a kind of...):
organic compound (any compound of carbon and another element or a radical)
Derivation:
ethereal (of or containing or dissolved in ether)
Sense 4
Meaning:
The fifth and highest element after air and earth and fire and water; was believed to be the substance composing all heavenly bodies
Synonyms:
ether; quintessence
Classified under:
Nouns denoting substances
Hypernyms ("ether" is a kind of...):
element (one of four substances thought in ancient and medieval cosmology to constitute the physical universe)
Domain usage:
archaicism; archaism (the use of an archaic expression)
Derivation:
ethereal (of heaven or the spirit)
Context examples:
A 2-aminoethyl oxime ether of aralkylketones, with antidepressant, antiobsessive-compulsive, and anxiolytic properties.
(Fluvoxamine, NCI Thesaurus)
A superparamagnetic iron oxide nanoparticle coated with a low molecular weight semi-synthetic carbohydrate, polyglucose sorbitol carboxymethyl ether, with potential anti-anemic and imaging properties.
(Ferumoxytol Non-Stoichiometric Magnetite, NCI Thesaurus)
A dialkyl ether dicarboxylic acid with antihyperlipidemic activity.
(Gemcabene, NCI Thesaurus)
The maleate salt form of fluvoxamine, a 2-aminoethyl oxime ether of aralkylketones, with antidepressant, antiobsessive-compulsive, and antibulimic activities.
(Fluvoxamine Maleate, NCI Thesaurus)
A monobenzyl ether of hydroquinone with topical depigmentation activity.
(Monobenzone, NCI Thesaurus)
A carbohydrate comprised of three to ten monosaccharides joined by ether bridges (covalent bonds centered by an oxygen).
(Oligosaccharide, NCI Thesaurus/CRCH)
It is insoluble in water, but soluble in ether, benzene, and certain esters.
(Paraffin, NCI Thesaurus)
A glycerophospholipid with an enol ether double bond in the sn-1 position of its glycerol backbone.
(Plasmalogen, NCI Thesaurus/CRCH)
An unctuous, combustible substance which is liquid, or easily liquefiable, on warming, and is soluble in ether but insoluble in water.
(Oil Dosage Form, NCI Thesaurus/CDISC)
Any of numerous unctuous combustible substances that are liquid or can be liquefied easily on warming, are soluble in ether but not in water, and leave a greasy stain on paper or cloth.
(Oil, NCI Thesaurus)
