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Precursor

Noun CEFR C2 Specialized
pɹɪˈkɜː.sə

Definitions

  1. That which precurses: a forerunner, predecessor, or indicator of approaching events.
  2. One of the compounds that participates in the chemical reaction that produces another compound.

Equivalents

28 more languages

Examples

“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 manganese atoms and a calcium atom.”

CEFR level

C2
Mastery
This word is part of the CEFR C2 vocabulary — mastery level.
See all C2 English words →

See also

precursor enzyme precursor tip Precursors precursorship Precursory Precut

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