Tracer

Tracer may refer to:

Science

• Histochemical tracer, a substance used for tracing purposes in histochemistry, the study of the composition of cells and tissues
• Isotopic tracer, a substance with an isotope that has been enriched to a greater level than that found in nature
• Radioactive tracer, a substance containing a radioisotope that is used for tracking purposes
• Flow tracer, any fluid property used to track fluid motion:
  • Dye tracer
  • In the ocean, salinity, potential temperature, and the concentration of many different chemical compounds
  • Tracer use in the oil industry
• TRACER (cosmic ray detector) (Transition Radiation Array for Cosmic Energetic Radiation), a balloon-borne cosmic ray detector

Military

• Tracers, tracer ammunition, special bullets that burn brightly to enable the shooter to follow the bullets' trajectories
• TRACER (Tactical Reconnaissance and Counter Concealment Enabled Radar) is a mid-range, long wavelength synthetic aperture radar system developed by the United States Army.
• Grumman E-1 Tracer, a carrier-borne early warning aircraft used by the United States Navy in the 1960s.

Transportation

• Tracer (bus), the bus system for Tracy, California
• Mercury Tracer, an automobile

Books

• Tracer (DC Comics), a DC Comics character
• Tracer (Marvel Comics), a Marvel Comics supervillain
• Tracer (Transformers), a fictional character

Film and TV

• Tracers (film), a 2015 American action thriller film
• Tracer (film), a Vietnamese film

Music

• Tracer (band), an Australian rock band
• Tracer (album), a 2012 album by Teengirl Fantasy

Songs

• "Tracers" by Trans-Siberian Orchestra Composed by Al Pitrelli from Night Castle 2009
• "Tracers" by Ash (band) Composed by Tim Wheeler from A-Z, Vol.1 2010
• "Tracers" by Miracle Fortress Composed by Graham Van Pelt from Was I the Wave? 2011

Other

• Tracer (Overwatch), a character from the video game Overwatch

See also

• All pages beginning with "Tracer"
• All pages with titles containing Tracer
• Trace (disambiguation)
• Tracing (disambiguation)
• Tracker (disambiguation)
• Tracer Bullet (disambiguation)
• Traceur, a male parkour practitioner