Word.ws English Dictionary

precursors

precursors is the plural of precursor.

Meaning of precursor

Noun

precursor (plural precursors)

  1. That which precurses: a forerunner, predecessor, or indicator of approaching events.
    • Oxygen levels on Earth skyrocketed 2.4 billion years ago, when cyanobacteria evolved photosynthesis:[…]. The evolutionary precursor of photosynthesis is still under debate, and a new study sheds light. The critical component of the photosynthetic system is the “water-oxidizing complex”, made up of...2013 September-October, Katie L. Burke, “In the News”, in American Scientist
  2. One of the compounds that participates in the chemical reaction that produces another compound.

See all 3 meanings of precursor

Questions about precursors

What is precursors the plural of?
Precursors is the plural of precursor.

Words near precursors in the dictionary

  1. precursor enzymes
  2. precursor tip
  3. precursor tips
  4. precursorial
  5. precursories
  6. precursors
  7. precursorship
  8. precursorships
  9. precursory
  10. precurtain
  11. precurved

Source and license

Adapted from Wiktionary: precursors (page history and authors); precursor (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.

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Cite this entry: “precursors.” Word.ws, https://word.ws/precursors. Based on Wiktionary, CC BY-SA 4.0.