Precursor

Precursor or Precursors may refer to:

Precursor (religion), a forerunner, predecessor
- The Precursor, John the Baptist

Science and technology

Precursor (bird), a hypothesized genus of fossil birds that was composed of fossilized parts of unrelated animals
Precursor (chemistry), a compound that participates in the chemical reaction that produces another compound
Precursor (physics), a phenomenon of wave propagation in dispersive media
Precursor in the course of a disease, a state preceding a particular stage in that course
Precursor cell (biology), a unipotent stem cell
Earthquake precursor, a diagnostic phenomenon that can occur before an earthquake
Gehrlein Precursor, a glider
LNWR Precursor Class (disambiguation), classes of passenger locomotives developed for the London and North Western Railway

Fiction

Precursors Halo (series), an extremely advanced race that preceded and were destroyed by The Forerunners
Precursor (novel), a 1999 novel set in C. J. Cherryh's Foreigner universe
Precursors, a fictional race (now extinct) of ancient beings in the board game Cosmic Encounter
Precursors, a fictional alien race in the Star Control video game series
Precursors, a fictional race of ancient beings in the video game Jak and Daxter: The Precursor Legacy
Precursors, a fictional alien race in Galactic Civilizations II: Dread Lords video game
Precursors, a fictional, almost extinct alien race that supposedly created humanity in the Assassin's Creed series
Precursors, a fictional, evil alien race that created the Kaiju in the movie Pacific Rim and its sequel Pacific Rim: Uprising
Precursors, a fictional and extremely advanced alien race in the video game Subnautica.

Other

Precursors of film
The Precursors (video game), a video game from Kyiv-based developer Deep Shadows

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