Precursor or Precursors may refer to: *

Precursor (religion) In religion, a precursor, also known as forerunner, predecessor, harbinger or herald, is a holy person who announced the approaching appearance of a central figure of the religion or who identified a central figure of the religion during the latter ...

, a forerunner, predecessor ** The Precursor, John the Baptist

Science and technology

Precursor (bird) ''"Precursor"'' is a controversial prehistoric bird genus from the Early Eocene. It was established based on fossils found in England, including in the famous London Clay deposits. Three species are included in the genus: ''"P." parvus'', the t ...

, 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 Course may refer to: Directions or navigation * Course (navigation), the path of travel * Course (orienteering), a series of control points visited by orienteers during a competition, marked with red/white flags in the terrain, and corresponding ...

of a disease, a state preceding a particular stage in that course *

Precursor cell In cell biology, a precursor cell, also called a blast cell or simply blast, is a partially differentiated cell, usually referred to as a unipotent cell that has lost most of its stem cell properties. A precursor cell is also known as a proge ...

(biology), a unipotent stem cell * Earthquake precursor, a diagnostic phenomenon that can occur before an earthquake *

Gehrlein Precursor The Gehrlein Precursor is an American, high-wing, single seat glider designed by Larry Gehrlein in 1965 and assembled from Schweizer Aircraft parts.Said, Bob: ''1983 Sailplane Directory, Soaring Magazine'', page 28 and 43. Soaring Society of ...

, 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 ''Cosmic Encounter'' is a science fiction–themed strategy board game designed by "Future Pastimes" (collectively, Peter Olotka, Jack Kittredge and Bill Eberle, with Bill Norton) and originally published by Eon Games in 1977. In it, each pla ...

*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 ''Assassin's Creed'' is an open-world, action-adventure, and stealth game franchise published by Ubisoft and developed mainly by its studio Ubisoft Montreal using the game engine Anvil and its more advanced derivatives. Created by Patrice ...

series *Precursors, a fictional, evil alien race that created the

Kaiju is a Japanese media genre that focuses on stories involving giant monsters. The word ''kaiju'' can also refer to the giant monsters themselves, which are usually depicted attacking major cities and battling either the military or other monster ...

in the movie '' Pacific Rim'' and its sequel '' Pacific Rim: Uprising'' *Precursors, a fictional and extremely advanced alien race in the video game

Subnautica ''Subnautica'' is an open-world action-adventure game developed and published by Unknown Worlds Entertainment. The game has the player as a non-essential systems maintenance chief who is the only survivor of a spaceship crash on the alien planet ...

Other

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