Word.ws English Dictionary

C₄

C₄ noun: designating a type of photosynthesis or carbon fixation, or a plant using such a process.

Noun

C₄ (uncountable)

  1. Designating 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
    • 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

Questions about C₄

What does C₄ mean?
C₄ means designating a type of photosynthesis or carbon fixation, or a plant using such a process.
What part of speech is C₄?
C₄ is a noun.

Words near C₄ in the dictionary

  1. c͟h
  2. CμB
  3. CνB
  4. Cần Thơ
  5. c’link
  6. C₄
  7. C−
  8. C♭
  9. C♭s
  10. C♯
  11. C♯s

Source and license

Adapted from Wiktionary: C₄ (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “C₄.” Word.ws, https://word.ws/c%E2%82%84. Based on Wiktionary, CC BY-SA 4.0.