English Dictionary

ESTER

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IPA (US): 

 Dictionary entry overview: What does ester mean? 

ESTER (noun)
  The noun ESTER has 1 sense:

1. organic compound formed by reaction between an acid and an alcohol with elimination of waterplay

  Familiarity information: ESTER used as a noun is very rare.


 Dictionary entry details 


ESTER (noun)


Sense 1

Meaning:

Organic compound formed by reaction between an acid and an alcohol with elimination of water

Classified under:

Nouns denoting substances

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 


After entering tumor cells, the active moiety camptothecin is slowly released from mureletecan via hydrolysis of the ester linkage.

(Mureletecan, NCI Thesaurus)

A member of the homologous series of dimethane sulphonic acid esters with alkylating properties.

(Methylene Dimethane Sulfonate, NCI Thesaurus)

The morpholinoethyl ester of mycophenolic acid (MPA).

(Mycophenolate, NCI Thesaurus)

The morpholinoethyl ester of mycophenolic acid (MPA) with potent immunosuppressive properties.

(Mycophenolate mofetil, NCI Thesaurus)

A class of ester compounds of nitric acid (HNO3) and alcohols.

(Nitrate, NCI Thesaurus)

A topical cream formulation containing the hydrochloride salt of methyl-5-aminolevulinate, a lipophilic methyl ester of 5-aminolevulinic acid, with photosensitizer prodrug activity.

(Methyl-5-Aminolevulinate Hydrochloride Cream, NCI Thesaurus)

A methyl ester of methacrylic acid.

(Methyl Methacrylate, NCI Thesaurus)

The 17-valerate ester of betamethasone, a synthetic glucocorticoid with metabolic, immunosuppressive and anti-inflammatory actions.

(Betamethasone Valerate, NCI Thesaurus)

As an ester prodrug, bitolterol is hydrolyzed by esterases to its active metabolite colterol (N-t-butylarterenol).

(Bitolterol, NCI Thesaurus)

This allele, which encodes valacyclovir hydrolase protein, is involved in the activation of valine ester prodrugs and other amino acid ester prodrugs of nucleoside analogs.

(BPHL wt Allele, NCI Thesaurus)



 Learn English with... Proverbs 
"If words could only speak, they'd mean even less." (English proverb)

"Five minutes of health comfort the ill one" (Breton proverb)

"Example is better than precept." (Arabic proverb)

"Creaking carts last longest." (Dutch proverb)



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