Dictionary.com
Thesaurus.com

carboxyl

American  
[kahr-bok-sil] / kɑrˈbɒk sɪl /

adjective

  1. containing the carboxyl group.


carboxyl Scientific  
/ kär-bŏk′səl /
  1. The radical COOH, characteristic of all carboxylic acids.


Other Word Forms


Etymology

Origin of carboxyl

First recorded in 1865–70; carb- + ox(ygen) + -yl


Compare meaning

How does carboxyl compare to similar and commonly confused words? Explore the most common comparisons:


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

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

Each amino acid has a central carbon that is linked to an amino group, a carboxyl group, a hydrogen atom, and an R group or side chain.

From Textbooks ● Jun. 9, 2022

For glycine, the acid strength of the carboxyl group is about the same as that of acetic acid, CH3CO2H, and the base strength of the amino group is slightly greater than that of ammonia, NH3.

From Textbooks ● Feb. 14, 2019

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 Georg Grasser

Random Word

Spin the wheel and learn a new word!

Get a word

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

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

Start training