C₄

noun

Designating a type of photosynthesis or carbon fixation, or a plant using such a process.

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Meanings

nounC₄ (uncountable)
  1. uncountablebiochemistryDesignating a type of photosynthesis or carbon fixation, or a plant using such a process.

    The enzyme responsible for C₄ fixation is PEP carboxylase.

    2021, Caroline Bowsher, Alyson Tobin, Plant Biochemistry
    1 more example

    Since C₄ plants have become more prevalent, and because they are poorer sources of nutrition, herbivores have had to adapt their feeding behaviour to the changing flora.

    2022, Thomas Halliday, Otherworlds, Penguin, published 2023, page 29
Cite this entry
APA

C₄. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/C%E2%82%84

MLA

“C₄.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/C%E2%82%84. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “C₄,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/C%E2%82%84.

Source: C₄ on Wiktionary, CC BY-SA 4.0.