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ester
From Wiktionary, the free dictionary
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English
Etymology
From German Ester, perhaps a contraction or abstraction of Essigäther (“ethyl acetate”), from Essig (“vinegar”) (from Latin acetum) and Äther (“ether”). See ether for more.
Pronunciation
- (General American) IPA(key): /ˈɛstɚ/
- (Received Pronunciation) IPA(key): /ˈɛstə/
Audio (Southern England): (file) - Rhymes: -ɛstə(ɹ)
- Homophones: Esther, str
Noun
ester (plural esters)
- (organic chemistry) A compound most often formed by the condensation of an alcohol and an acid, with elimination of water, which contains the functional group carbon-oxygen double bond (i.e., carbonyl) joined via carbon to another oxygen atom.
- 1991, Malcolm B. Hale et al., “New Products and Markets for Menhaden, Brevoortia spp.”, in Marine Fisheries Review, volume 53, number 4, page 47:
- To produce a test material containing at least 75 percent omega-3 polyunsaturates, the menhaden triglycerides are transesterified to produce fatty acid ethyl esters. The esters are reacted with urea dissolved in hot ethanol and the solution is cooled overnight.
- 1991, W. F. Kean, C. J. L. Lock, H. E. Howard-Lock, “Chirality in antirheumatic drugs”, in The Lancet, volume 338, , page 1567:
- The thiol-coenzyme-A ester formed by R-arylpropionic acid can bind to triglyceride to form a “hybrid” triglyceride: such hybrid triglycerides can cause alteration of fatty-acid metabolism and membrane function, and a lipophilic triglyceride–propionic-acid hybrid would be able to cross lipid membranes such as the blood–brain barrier.
- 1996, Steven Ashley, “Composite car structures pass the crash test”, in Mechanical Engineering, volume 118, number 12, page 60:
- The effort’s primary material systems are vinyl esters and polyurethanes, reinforced with inexpensive chopped-glass rovings. Automated glass-fiber preforming processes and high-rate molding procedures are being studied in an effort to reduce cycle times and production costs substantially.
Derived terms
- acetylesterase
- aminoester
- carboxylesterase
- diester
- elastomultiester
- enamino ester
- esmolol
- esterase
- estergum
- esterification
- esterify
- esterize
- hemiester
- hydroxy ester
- iminoester
- interester
- isoester
- jojoba ester
- ketoester
- monoester
- nonester
- oligoester
- orthoester
- oxyester
- perester
- phosphite ester
- phosphoester
- polyesteramide
- polyphosphoester
- selenoester
- silicon ester
- thioester
- transesterification
- transesterify
- triester
Translations
compound with carbon-oxygen double bond joined via carbon to another oxygen atom
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Anagrams
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Cornish
Etymology
Noun
ester f (collective, singulative estren)
Czech
Pronunciation
Noun
ester m inan
Declension
Declension of ester (hard masculine inanimate)
Further reading
- “ester”, in Příruční slovník jazyka českého (in Czech), 1935–1957
- “ester”, in Slovník spisovného jazyka českého (in Czech), 1960–1971, 1989
Danish
Etymology 1
Noun
ester c (singular definite esteren, plural indefinite estere)
Declension
Synonyms
- estlænder
Etymology 2
Noun
ester c (singular definite esteren, plural indefinite estere)
Declension
Derived terms
References
- “ester” in Den Danske Ordbog
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Dutch
Etymology
Pronunciation
Noun
ester m (plural esters, diminutive estertje n)
Descendants
- → Indonesian: ester
Estonian
Etymology
Noun
ester (genitive estri, partitive estrit)
Declension
Further reading
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French
Etymology 1
Inherited from Old French ester (given a spelling-pronunciation), from Classical Latin stāre (cf. the juridical Medieval Latin senses).
Pronunciation
Verb
ester (defective)
Conjugation
Only used in the infinitive, present participle estant and past participle esté.
Related terms
Etymology 2
From German Essig-Äther (“acetic acid ethyl ester”).
Pronunciation
Noun
ester m (plural esters)
Further reading
- “ester”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.
Anagrams
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Indonesian
Etymology
Internationalism, borrowed from Dutch ester, from German Ester.
Pronunciation
Noun
Derived terms
- ester asam
- ester asetoasetat
- ester fosfat
- ester retinil
- ester sukrosa
- ester sulfonat
Further reading
- “ester” in Kamus Besar Bahasa Indonesia, Jakarta: Agency for Language Development and Cultivation – Ministry of Education, Culture, Research, and Technology of the Republic of Indonesia, 2016.
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Ladin
Etymology 1
From Latin exterus, from exter.
Adjective
ester m (feminine singular estera, masculine plural esters, feminine plural esteres)
Etymology 2
Inherited from Early Medieval Latin essere, from Latin esse.
Alternative forms
Verb
ester
- to be
Conjugation
- Ladin conjugation varies from one region to another. Hence, the following conjugation should be considered as typical, not as exhaustive.
Conjugation of ester (highly irregular, suppletive)
Middle English
Alternative forms
Etymology
From Old English ēaster.
Noun
ester (plural esters)
- Easter (Christian holiday)
- c. 1280, “Vita sancti Brendani, Abbatis de Hybernia”, in Carl Horstmann, editor, The Early South English Legendary or Lives of Saints, London: N. Trübner & Co., published 1887, page 224:
- To a stede ȝe schulle hunne wende : þurf oure louerdes grace, / Þat is foweles parays : a wel ioyful place : / Þer ȝe schulle þis ester beo : & þis wit-sonedai also.
- (please add an English translation of this quotation)
- c. 1300, Robert of Gloucester, edited by William Aldis Wright, The Metrical Chronicle of Robert of Gloucester, London: Eyre and Spottiswoode, published 1887, page 556:
- Þre siþe he ber croune aȝer · to midewinter at gloucestre · / To witesonetid at westmunstre · to ester at wincestre ·
- (please add an English translation of this quotation)
- a. 1402, “De regione lodœœ”, in John Trevisa, transl., edited by Joseph Rawson Lumby, Polychronicon, page 111:
- Mysbyleued men mysdede neuere þat chirche ; and þat is, as me troweþ, for euery ȝere an Ester eue comeþ fire from heuene, and tendeþ and liȝteþ þe lamps þerynne ; but whan þat miracle bygan first, hit is vncertayne and vnknowe.
- (please add an English translation of this quotation)
References
“ēster(n, n., MED14534.”, in MED Online, Ann Arbor, Mich.: University of Michigan, 2007.
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Norwegian Bokmål
Noun
ester m (definite singular esteren, indefinite plural estere, definite plural esterne)
Synonyms
Related terms
Old French
Polish
Romanian
Swedish
Welsh
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