ribulosebisphosphatecarboxylaseoxygenase

noun

The enzyme that allows plants, algae, and some bacteria to capture carbon dioxide from the atmosphere and convert it into organic compounds during photosynthesis. It catalyzes the first major step of the Calvin cycle, making it one of the most important enzymes for sustaining life on Earth.

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Meanings

nounribulosebisphosphatecarboxylaseoxygenase (uncountable, abbreviation RuBisCO)

abbreviation RuBisCO

  1. uncountablebiochemistryThe enzyme that allows plants, algae, and some bacteria to capture carbon dioxide from the atmosphere and convert it into organic compounds during photosynthesis. It catalyzes the first major step of the Calvin cycle, making it one of the most important enzymes for sustaining life on Earth.

Origin

From ribulose + bisphosphate + carboxylase + oxygenase

Full word history & related roots →
Cite this entry
APA

ribulosebisphosphatecarboxylaseoxygenase. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/ribulosebisphosphatecarboxylaseoxygenase

MLA

“ribulosebisphosphatecarboxylaseoxygenase.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ribulosebisphosphatecarboxylaseoxygenase. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “ribulosebisphosphatecarboxylaseoxygenase,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/ribulosebisphosphatecarboxylaseoxygenase.

Source: ribulosebisphosphatecarboxylaseoxygenase on Wiktionary, CC BY-SA 4.0.