carboxyl group

American  

noun

1. the univalent radical COOH, present in and characteristic of organic acids.

---

carboxyl group British  

/ kɑːˈbɒksaɪl, -sɪl /

noun

1. the monovalent group –COOH, consisting of a carbonyl group bound to a hydroxyl group: the functional group in organic acids

---

Etymology

Origin of carboxyl group

First recorded in 1875–80

Example Sentences

See Examples For:

carboxyl group

We then sent these carbon atoms — from a very metabolically active part of the amino acid called the carboxyl group — through a machine called a mass spectrometer to read their isotope fingerprints.

From Salon ● Sep. 5, 2023

This end is called the N terminal, or the amino terminal, and the other end has a free carboxyl group, also known as the C or carboxyl terminal.

From Textbooks ● Jun. 9, 2022

Among the hydrophilic functional groups is the carboxyl group found in amino acids, some amino acid side chains, and the fatty acids that form triglycerides and phospholipids.

From Textbooks ● Jun. 9, 2022

Peptide bonds form between the amino group of the amino acid attached to the A-site tRNA and the carboxyl group of the amino acid attached to the P-site tRNA.

From Textbooks ● Jun. 9, 2022

The substance is dissolved directly in sufficient normal alkali to neutralise the carboxyl group and a further 2 molecules of caustic soda for each carbomethoxy group to be eliminated are added.

From Synthetic Tannins by Grasser, Georg