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The univalent group, -COOH, the functional group characteristic of all organic acids.

car′box·yl′ic (-sĭl′ĭk) adj.


(kɑrˈbɒk sɪl)
the univalent group COOH, of organic acids.
[1865–70; carb- + ox (ygen) + -yl]
car`box•yl′ic, adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.carboxyl - the univalent radical -COOH; present in and characteristic of organic acids
chemical group, radical, group - (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
Adj.1.carboxyl - relating to or containing the carboxyl group or carboxyl radical
chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
References in periodicals archive ?
Tender are invited for Supply of Sodium Carboxyl Methyl Cellulose.
In the spectrum of Schiff base L-1, the asymmetric carboxyl stretching (COO-) was observed at 1627cm-1 which shifted on complexation with Cu(II), Pd(II), Pt(II) ions, at 1626, 1634 and 1603 cm-1 respectively, also the symmetric carboxyl stretching (COO-) was observed at 1402 cm-1 for L-1 ligand that was shifted to 1400, 1422 and 1409 cm-1, indicating the linkage between the metal ion and carboxylate-oxygen atom of the corresponding Cu(II), Pd(II) and Pt(II) ions respectively.
The level of total esterases, carboxyl esterases, choline esterases, acetylcholine esterases and aryl esterases were determined in 4th and 6th instar larvae and adult beetles of phosphine-tolerant populations (previously exposed to phosphine for 15 years) of wheat grain pest, Trogoderma granarium collected from various storage facilities of Punjab, Pakistan viz.
MDI is known to react with both hydroxyl and carboxyl terminated end groups of both PLA and elastomers, forming block or graft copolymers that serve as compatibilizing agents during the blending process.
EDC (1-[3-Dimethylaminopropyl]--3-ethylcarbo-diimide hydrochloride) is a water-soluble carbodiimide which is used to activate the carboxyl group in amide reactions and cross-link proteins and nucleic acids for preparing immunoconjugates.
This modification is based on a carboxylation mechanism, which intends to add carboxyl groups to the treated fibber.
Carboxyl groups are generated due to the cut of chemical bonds of the polymer by ultraviolet irradiation on the fluoropolymer layer that is used as a surface layer of substrates.
Other studies have suggested that various functional groups--amino, carboxyl and hydroxyl--promote or inhibit stem cell differentiation.
This volume presents information on the synthetically useful protective groups in chemical reactions, focusing on major functional groups: the hydroxyl group, phenols and catechols, the carbonyl group, the carboxyl group, the thiol group, the amino group, the alkyne-CH, and the phosphate group.
CMC as shown in Figure 1 contains a hydrophobic polysaccharide backbone and many hydrophilic carboxyl groups, and consequently shows amphiphilic characteristics.
As a rule, macromolecules suitable for template should contain acid functional groups, such as carboxyl, sulfonic acid and phosphate groups, which can form complex with metal ion.
Then we examine this interaction as a function of glycine rotate and then the carboxyl group.