Dictionary.com
Thesaurus.com

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of carboxyl group

First recorded in 1875–80

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

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

A carbonyl group on the 1,3-bisphosphoglycerate is oxidized to a carboxyl group, and 3-phosphoglycerate is formed.

From Textbooks Jun. 9, 2022

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

Fatty acids have a long chain of hydrocarbons to which a carboxyl group is attached, hence the name “fatty acid.”

From Textbooks Jun. 9, 2022

In the preceding instances the carboxyl group has been synthesized or introduced into a molecule; we have now to consider syntheses from substances already containing carboxyl groups.

From The Project Gutenberg Encyclopedia Volume 1 of 28 by Project Gutenberg

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training