precursor

• præcursor (chiefly obsolete)

Borrowed from Latin praecursor (“forerunner”).

• (General American) IPA^(key): /ˈpɹiːˌkɜɹ.səɹ/, /pɹɨˈkɜɹ.səɹ/

precursor (plural precursors)

1. That which precurses: a forerunner, predecessor, or indicator of approaching events.
   • 2013 September-October, Katie L. Burke, “In the News”, in American Scientist:

     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.

2. (chemistry) One of the compounds that participates in the chemical reaction that produces another compound.

• cursor

precursor (not comparable)

1. (telecommunications, of intersymbol interference) Caused by the following symbol.

• postcursor

• procurers

precursor m (plural precursors)

1. precursor

From Latin praecursor

• IPA^(key): /preˈkʏrsɔr/

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precursor m (plural precursors, diminutive precursortje n)

1. precursor, forerunner

Borrowed from Latin praecuror, praecursorem.

precursor m (plural precursores, feminine precursora, feminine plural precursoras)

1. precursor; forerunner (something that led to the development of another)

• cursor

precursor m (feminine singular precursora, masculine plural precursores, feminine plural precursoras, comparable)

1. precursory (pertaining to events that will follow)

Borrowed from Latin praecuror, praecursorem.

precursor (feminine singular precursora, masculine plural precursores, feminine plural precursoras)

1. precursory, preceding

precursor m (plural precursores, feminine precursora, feminine plural precursoras)

1. precursor

• cursor