carboxylase

American

[kahr-bok-suh-lays, -layz] / kɑrˈbɒk səˌleɪs, -ˌleɪz /

noun

Biochemistry.

decarboxylase.

carboxylase British

/ kɑːˈbɒksɪˌleɪz /

noun

any enzyme that catalyses the release of carbon dioxide from certain 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 carboxylase

< German (1911); see carboxyl, -ase

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:

carboxylase

The team found that this process depends on a mitochondrial enzyme called pyruvate carboxylase.

From Science Daily ● Apr. 20, 2026

"Acetyl-CoA carboxylase can drive the balance between storing lipids versus breaking down those lipids and feeding them into the citric acid cycle for energy," said Thaxton.

From Science Daily ● Mar. 15, 2024

Instead of using rubisco, bundle sheath cells in this ring use the enzyme phosphoenolpyruvate carboxylase, which doesn't bind oxygen, to capture CO2 in a four-carbon compound.

From Nature ● Apr. 25, 2017

This step is carried out by a non-rubisco enzyme, PEP carboxylase, that has no tendency to bind O2.

From Textbooks ● Jan. 1, 2015

Carbon dioxide diffuses into leaves in the night when the stomata are open and is fixed into oxaloacetate by PEP carboxylase which attaches the carbon dioxide to the three-carbon molecule PEP.

From Textbooks ● Jan. 1, 2015

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023