Tracer

Noun

 * 1)  A chemical used to track the progress or history of a natural process.
 * 2) A piece of ammunition for a firearm that contains magnesium or another flammable substance arranged such that it will burn and produce a visible trail when fired at night.
 * 3) The act of tracking or investigating something.
 * 4) A person who traces something.

Thesaurus
alpha radiator, atom, atomic cocktail, atomic model, ball, bar shot, beta radiator, bird shot, buckshot, bullet, cannon shot, cannonball, case shot, cobalt, crossbar shot, duck shot, dumdum bullet, expanding bullet, fission products, fluorescent paint, gamma radiator, grape, grapeshot, ion, langrel shot, manstopping bullet, nuclear atom, nuclide, pellet, planetary shell, radiator, radioactive waste, radiocalcium, radiocarbon, radiocopper, radioelement, radioiodine, radioisotope, radiosodium, radiothorium, radium, radium dial, radium paint, rifle ball, round shot, shell, shot, shrapnel, slug, split shot, subshell, tagged atom, tagged element, tracer atom, tracer element, valence shell

Translations

 * Finnish: markkeri, merkkiaine


 * French:


 * Dutch: tracer, lichtspoormunitie


 * Finnish: valojuova-ammus, valojuovaluoti

Anagrams

 * carter, Carter
 * crater, Crater

Verb

 * 1) to draw or plot (a diagram), to trace out
 * 2) To rule (a line)