carboxylase

noun

car·​box·​yl·​ase kär-ˈbäk-sə-ˌlās How to pronounce carboxylase (audio)
-ˌlāz
: an enzyme that catalyzes decarboxylation or carboxylation

Examples of carboxylase in a Sentence

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Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The problem lies with an enzyme known as rubisco, short for ribulose bisphosphate carboxylase/oxygenase. — David Grossman, Popular Mechanics, 4 Jan. 2019 Rubisco, which stands for ribulose-1,5-bisphosphate carboxylase/oxygenase, is found in every green leaf. — Alana Semuels, Time, 1 June 2026 The body needs manganese for the function of pyruvate carboxylase and phosphoenolpyruvate carboxykinase (PEPCK). — Jillian Kubala, Health, 5 Feb. 2025

Word History

Etymology

International Scientific Vocabulary

First Known Use

1911, in the meaning defined above

Time Traveler
The first known use of carboxylase was in 1911

Rhymes for carboxylase

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Browse Nearby Words

carboxyl
carboxylase
carboxylate
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Cite this Entry

“Carboxylase.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/carboxylase. Accessed 7 Jul. 2026.

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Medical Definition

carboxylase

noun
car·​box·​yl·​ase kär-ˈbäk-sə-ˌlās, -ˌlāz How to pronounce carboxylase (audio)
: an enzyme that catalyzes decarboxylation or carboxylation
Last Updated: - Updated example sentences
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