Library / English Dictionary |
ESTER
Pronunciation (US): | (GB): |
I. (noun)
Sense 1
Meaning:
Organic compound formed by reaction between an acid and an alcohol with elimination of water
Classified under:
Hypernyms ("ester" is a kind of...):
organic compound (any compound of carbon and another element or a radical)
Hyponyms (each of the following is a kind of "ester"):
citrate (a salt or ester of citric acid)
lactate (a salt or ester of lactic acid)
banana oil (a liquid ester derived from amyl alcohol; has the odor of bananas)
cellulose ester (any ester of cellulose with an acid)
cyclohexanol phthalate (the cyclohexanol ester of phthalic acid)
ethyl acetate (a fragrant colorless flammable volatile liquid ester made from ethanol and acetic acid; used in flavorings and perfumes and as a solvent for plastics)
glyceryl ester (an ester of glycerol)
maleate (a salt or ester of maleic acid; used as a nontricyclic antidepressant drug for psychomotor activation)
base; nucleotide (a phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA))
polyester (a complex ester used for making fibers or resins or plastics or as a plasticizer)
urethane (an ester of carbamic acid)
Derivation:
esterify (change (a compound) into an ester)
Context examples:
The phenethyl alcohol ester of caffeic acid and a bioactive component of honeybee hive propolis, with antineoplastic, cytoprotective and immunomodulating activities.
(Caffeic Acid Phenethyl Ester, NCI Thesaurus)
Nucleic Acid Cleavage is any process that hydrolytically cleaves either the glycosidic bond or the sugar-phospate ester bond of a oligoribonucleotide or deoxyoligoribonucleotide polymer.
(Nucleic Acid Cleavage, NCI Thesaurus)
Type of substance that may be described as a linear sequence of nucleosides typically linked through phosphate esters.
(Nucleic Acids, NCI Thesaurus)
The ceribate ester form of paclitaxel, a compound extracted from the Pacific yew tree Taxus brevifolia with antineoplastic activity.
(Paclitaxel Ceribate, NCI Thesaurus)
The lipid soluble polyol ester of nitric acid belonging to the family of nitrovasodilators that exhibit vasodilatory property.
(Pentaerythritol Tetranitrate, NCI Thesaurus)
The phenyl ester of para-aminosalicylic acid, reported to have less side effects than simple salts of para-aminosalicylic acid.
(Phenyl Aminosalicylate, NCI Thesaurus)
The probenate salt form of pivampicillin, a semisynthetic, orally active pivalate ester of ampenicillin with antibacterial activity.
(Pivampicillin Probenate, NCI Thesaurus)
A salt or ester of oxalic acid.
(Oxalate, NCI Thesaurus)
The phosphate salt of oseltamivir, a synthetic derivative prodrug of ethyl ester with antiviral activity.
(Oseltamivir phosphate, NCI Thesaurus)
An ethyl ester form of omega-3 fatty acid derived from fish oil, with activity in decreasing serum triglyceride levels.
(Omega-3-Acid Ethyl Esters, NCI Thesaurus)