ScienceSeptember 2, 2026

carboxylic

kar-bok-SIL-ik

Definition

Relating to or containing a carboxyl group, which is a specific chemical structure consisting of a carbon atom double-bonded to an oxygen atom and single-bonded to a hydroxyl group.

Etymology

The term is a combination of 'carbon' and 'hydroxyl,' reflecting the chemical makeup of the group. It emerged in the 19th century as chemists developed the nomenclature for organic compounds.

In the news

The article uses the term to identify a specific subclass of PFAS chemicals, known as perfluoroalkyl carboxylic acids, which the researchers found were transported long distances to their study site.

Risk of Exposure to Forever Chemicals Through Sea Spray May Be Overblown

Read the full article ↗

Technology Networks

Related words

Learn words like this every day

Meet new words every morning.

Newspoken pulls carefully chosen words from the day’s news — with clear definitions, context, and light review that makes them stick. Get it on your phone.