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tracer Definition

tracer (trāsər)

noun

  1. a person or thing that traces; specif.,
    1. a person whose work is tracing drawings, designs, etc. on transparent paper
    2. a person whose work is tracing lost or missing articles, persons, etc.
    3. an instrument for tracing designs on cloth, etc.
  2. ☆ an inquiry sent out for a letter, package, etc. that is missing in transport
  3. ammunition that traces its own course in the air with a trail of smoke or fire, so as to facilitate adjustment of the aim
  4. a substance, usually a radioactive isotope, used to follow a chemical process or a complex sequence of biochemical reactions (as in an animal body), to locate diseased cells and tissues, to determine physical properties, etc.
  5. a thread of contrasting color woven into or stamped on wire insulation for identification and for aid in tracing a circuit

tracer Usage Examples

Preposition: of

  • line: Opinion please one more a greater image for the samples of the color of the options of the tracer of lines.

Converse of object

  • use: We now sketch a simple strategy for using the tracer which copes with several of the symptom s described above.
  • inject: We impose an artificial change in the thermal forcing and inject a tracer into the NW Atlantic.
  • label: This allows the labeled tracer to be prepared in advance and injected into a patient at any time over the subsequent six hours.

Adjective modifier

  • isotopic: Using isotopic tracers, it was initially found that N & C atoms of heme are derived from glycine and acetate.
  • radioactive: Bone scans use a tiny amount of radioactive tracer to show up ' hot spots ' in the bones.
  • passive: A number of passive tracers will also be included in the 17 year integration.
  • good: There is the further problem that radiation emitted is not a good tracer of mass, which is what we are most interested in.
  • inert: The first was marked with the inert tracer SF 6.
  • stable: Mass spectrometry is used both as an analytical tool and for metabolic studies using stable isotope tracers.

Modifies a noun

  • bullet: On one occasion a machine gun was also being used firing tracer bullets.
  • experiment: Experimental data from the tracer experiments can be found here.
  • particle: Running time: Typical running times mostly depend on the shape of the tracer particle.
  • gas: This forces the tracer gas through any small leaks.
  • technique: Ventilation in enclosed or mechanically ventilated areas can also be assessed using tracer gas techniques.
  • fire: Suddenly I saw red tracer fire coming from our rear.

Noun used with modifier

  • isotope: Mass spectrometry is used both as an analytical tool and for metabolic studies using stable isotope tracers.
  • ray: The ray tracer will be launched several times passing each time a number that selects the image in the sequence to be produced.
  • chemical: Is caffeine suitable for use as a chemical tracer?
  • dye: The fluctuating flows which transport sediment and create dune movement have been difficult to visualize using conventional dye tracers.

Browse dictionary entries near tracer

  1. traced
  2. traceable
  3. trace element
  4. trace
  5. Trabzon
  6. trabecula
  7. trabeated
  8. tra-
  9. tra-la
  10. très
  1. tracer bullet
  2. Traceroute and Traceroute Program
  3. tracery
  4. trache-
  5. trachea
  6. tracheal
  7. tracheate
  8. tracheid
  9. tracheitis
  10. tracheo-