Similar words: tracery, racetrack, racer, race riot, trace, traced, retrace, rat race. Meaning: ['treɪsə(r)] 
n. 1. an investigator who is employed to find missing persons or missing goods 2. an instrument used to make tracings 3. (radiology) any radioactive isotope introduced into the body to study metabolism or other biological processes 4. ammunition whose flight can be observed by a trail of smoke.
n. 1. an investigator who is employed to find missing persons or missing goods 2. an instrument used to make tracings 3. (radiology) any radioactive isotope introduced into the body to study metabolism or other biological processes 4. ammunition whose flight can be observed by a trail of smoke. 
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1. Tracer bullets streaked through the sky.
2. The sky was bright with tracer fire.
3. Scan the microwave channels to find tracer signals. 6.
4. But the tracer was weaving from side to side.
5. There is no year tracer in this series of chassis numbers but I suspect your vehicle was built in 1963.
6. Every day, the newspapers carried photos of tracer bullets criss-crossing the skies above ancient cities.
7. Tracer rounds corkscrewed through the glare, and people were dying in long neat rows.
8. Tracer laid stitches across the sky: the bombers still in formation were firing long shots at him.
9. Their tracer fell away, wasted, as Barton hauled his formation squarely around to face them.
10. Terminate use of tracer calls and continue to monitor the circuits for desired information. 10.
11. Begin monitoring the channels on which tracer signals were found. 8.
12. Radionuclide tracer analysis is a third important method.
13. This solute will be referred to as a tracer.
14. Tracer method has been widely used in seepage investigation.
15. The tracer is distributed in a nearly normal fashion.
16. The tracer becomes increasingly dispersed.
17. In this paper, a simplified mathematical model on tracer density equation is given[sentencedict.com], and an implicit difference scheme on the model is derived.
18. This paper summarizes the application of tracer test in underground gas storage reservoir in foreign country when made research on mixing problem .
19. Plain tracer : With plastic or natural wood handle ; Metal Saw Tooth and economical using.
20. Furthermore, incentive and response technology of the tracer was used to study the axial backmixing of the liquid in different structure cell.
21. As a geological tracer, ore lead ( Pb ) isotopes play an important role constraining ore - forming material sources.
22. Delaney jerked the pin from a grenade, tossed it blindly in the direction of the tracer.
23. As the Ford charged after the Mercedes, Dunn saw in his wing mirror a spurt of tracer fire.
24. As the Goshawk flight got closer they could see the flickering criss-cross of tracer.
25. The dynamics of transportation of HTO (tritium water) in a simulated tea soil ecosystem were studied on simulated pollutants using isotope tracer technique.
26. Some techniques have been reported to identify sentinel lymph node(SLN), most of them may include utilization of an isosulfan blue dye, a radiocolloid tracer, or a combination of both.
27. Uptake, translocation, and distribution of 14C-labelled oligosaccharides in watermelon seedling were investigated by the means of radioactive isotope tracer.
28. The process of jet mixing in the reactor was studied with tracer technique and the effects of the opening structure on the wall of the feed ring and the momentum ratio to the jet mixing were analyzed.
29. We studied the stability of the aerosol of escherichia coli K-12C-600, a host strain for genetic engineering, in a special rotating drum with sodium fluorescein as aerosol tracer.
30. Pollutant dispersion close to an urban surface – the BUBBLE tracer experiment.
More similar words: tracery, racetrack, racer, race riot, trace, traced, retrace, rat race, the rat race, traceable, untraceable, contraceptive, contraception, intracellular, contraceptive pill, contract rate, acer, acerb, facer, acerbic, acerbity, macerate, lacerate, race, lacerated, grace, brace, exacerbate, laceration, braced.