Tracer \Tra"cer\, n.
One who, or that which, traces.
[1913 Webster]
2. A person engaged (esp. in the express or railway service)
in tracing, or searching out, missing articles, as
packages or freight cars.
[Webster 1913 Suppl.]
3. An inquiry sent out (esp. in transportation service) for a
missing article, as a letter or an express package.
[Webster 1913 Suppl.]
4. (Mil.) a type of ammunition that emits light or smoke as
it moves toward its target, providing a visible path of
the projectile in flight so that the point of impact may
be observed; -- called also tracer ammunition.
[PJC]
5. (Mil.) the chemical substance used in tracer ammunition to
cause it to be visible in flight.
[PJC]
6. a chemical substance with properties, such as
radioactivity or fluorescence, which make it easily
measurable, used to observe the movements of chemically
related substances through a biological, physical, or
chemical system; -- in biochemistry, also called labeled
compounds.
Note: Radioactive tracers are used, for example, to measure
the retention or distribution of residues of drugs
after administration to an animal, to determine the
type and rate of metabolism; also, to measure the rate
of motion of molecules in electrophoresis or the
leakage of small quantities of material from a
container. Small fluorescent tracers may be attached in
many cases to macromolecules such as proteins or
nucleic acids, allowing the motions of such
macromolecules to be easily observed by their acquired
fluorescence, without appreciably changing their
properties. In biological and biochemial systems the
common radioactive isotopes used in tracers are
carbon-14, tritium (hydrogen-3), sulfur-35,
phosphorus-32, and iodine-131; other isotopes are also
used, including non-radioactive isotopes such as
carbon-13.
[PJC]
|
labeled compounds alabeled compounds albeled compounds lalbeled compounds abeled compounds llabeled compounds lbaeled compounds labaeled compounds lbeled compounds laabeled compounds laebled compounds labebled compounds laeled compounds labbeled compounds lableed compounds labeleed compounds labled compounds labeeled compounds labeeld compounds labeleld compounds labeed compounds labelled compounds labelde compounds labelede compounds labeld compounds labeleed compounds labele dcompounds labeled dcompounds labele compounds labeledd compounds labeledc ompounds labeled c ompounds labeledcompounds labeled compounds labeled ocmpounds labeled cocmpounds labeled ompounds labeled ccompounds labeled cmopounds labeled comopounds labeled cmpounds labeled coompounds labeled copmounds labeled compmounds labeled copounds labeled commpounds labeled comopunds labeled compopunds labeled comounds labeled comppounds labeled compuonds labeled compouonds labeled compunds labeled compoounds labeled componuds labeled compounuds labeled componds labeled compouunds labeled compoudns labeled compoundns labeled compouds labeled compounnds labeled compounsd labeled compoundsd labeled compouns labeled compoundds labeled compounsds labeled compound labeled compoundss iabeled compounds liabeled compounds ilabeled compounds oabeled compounds loabeled compounds olabeled compounds pabeled compounds lpabeled compounds plabeled compounds kabeled compounds lkabeled compounds klabeled compounds ,abeled compounds l,abeled compounds ,labeled compounds .abeled compounds l.abeled compounds .labeled compounds lqbeled compounds laqbeled compounds lqabeled compounds lwbeled compounds lawbeled compounds lwabeled compounds lsbeled compounds lasbeled compounds lsabeled compounds lxbeled compounds laxbeled compounds lxabeled compounds lzbeled compounds lazbeled compounds lzabeled compounds l beled compounds la beled compounds l abeled compounds lebeled compounds libeled compounds lobeled compounds lubeled compounds lafeled compounds labfeled compounds lafbeled compounds lageled compounds labgeled compounds lagbeled compounds laheled compounds labheled compounds lahbeled compounds laveled compounds labveled compounds lavbeled compounds laneled compounds labneled compounds lanbeled compounds la eled compounds lab eled compounds la beled compounds lab3led compounds labe3led compounds lab3eled compounds lab#led compounds labe#led compounds lab#eled compounds lab4led compounds labe4led compounds lab4eled compounds labwled compounds labewled compounds labweled compounds labrled compounds laberled compounds labreled compounds labsled compounds labesled compounds labseled compounds labdled compounds labedled compounds labdeled compounds labfled compounds labefled compounds labfeled compounds labaled compounds labiled compounds laboled compounds labuled compounds labeied compounds labelied compounds labeiled compounds labeoed compounds labeloed compounds labeoled compounds labeped compounds labelped compounds labepled compounds labeked compounds labelked compounds labekled compounds labe,ed compounds label,ed compounds labe,led compounds labe.ed compounds label.ed compounds labe.led compounds label3d compounds labele3d compounds label3ed compounds label#d compounds labele#d compounds label#ed compounds label4d compounds labele4d compounds label4ed compounds labelwd compounds labelewd compounds labelwed compounds labelrd compounds labelerd compounds labelred compounds labelsd compounds labelesd compounds labelsed compounds labeldd compounds labeledd compounds labelded compounds labelfd compounds labelefd compounds labelfed compounds labelad compounds labelid compounds labelod compounds labelud compounds labelew compounds labeledw compounds labelewd compounds labelee compounds labelede compounds labeleed compounds labeler compounds labeledr compounds labelerd compounds labeles compounds labeleds compounds labelesd compounds labelef compounds labeledf compounds labelefd compounds labelex compounds labeledx compounds labelexd compounds labelec compounds labeledc compounds labelecd compounds labelev compounds labeledv compounds labelevd compounds labele compounds labeled compounds labele d compounds labeled sompounds labeled csompounds labeled scompounds labeled dompounds labeled cdompounds labeled dcompounds labeled fompounds labeled cfompounds labeled fcompounds labeled xompounds labeled cxompounds labeled xcompounds labeled vompounds labeled cvompounds labeled vcompounds labeled ompounds labeled c ompounds labeled compounds labeled c9mpounds labeled co9mpounds labeled c9ompounds labeled c(mpounds labeled co(mpounds labeled c(ompounds labeled c0mpounds labeled co0mpounds labeled c0ompounds labeled cimpounds labeled coimpounds labeled ciompounds labeled cpmpounds labeled copmpounds labeled cpompounds labeled ckmpounds labeled cokmpounds labeled ckompounds labeled clmpounds labeled colmpounds labeled clompounds labeled campounds labeled cempounds labeled cumpounds labeled cojpounds labeled comjpounds labeled cojmpounds labeled cokpounds labeled comkpounds labeled cokmpounds labeled colpounds labeled comlpounds labeled colmpounds labeled conpounds labeled comnpounds labeled conmpounds labeled co pounds labeled com pounds labeled co mpounds labeled com0ounds labeled comp0ounds labeled com0pounds labeled com)ounds labeled comp)ounds labeled com)pounds labeled comoounds labeled compoounds labeled comopounds labeled comlounds labeled complounds labeled comlpounds labeled comp9unds labeled compo9unds labeled comp9ounds labeled comp(unds labeled compo(unds labeled comp(ounds labeled comp0unds labeled compo0unds labeled comp0ounds labeled compiunds labeled compoiunds labeled compiounds labeled comppunds labeled compopunds labeled comppounds labeled compkunds labeled compokunds labeled compkounds labeled complunds labeled compolunds labeled complounds labeled compaunds labeled compeunds labeled compuunds labeled compo7nds labeled compou7nds labeled compo7unds labeled compo&nds labeled compou&nds labeled compo&unds labeled compo8nds labeled compou8nds labeled compo8unds labeled compoynds labeled compouynds labeled compoyunds labeled compoinds labeled compouinds labeled compoiunds labeled compohnds labeled compouhnds labeled compohunds labeled compojnds labeled compoujnds labeled compojunds labeled compoknds labeled compouknds labeled compokunds labeled compoands labeled compoends labeled compoonds labeled compougds labeled compoungds labeled compougnds labeled compouhds labeled compounhds labeled compouhnds labeled compoujds labeled compounjds labeled compoujnds labeled compoubds labeled compounbds labeled compoubnds labeled compoumds labeled compounmds labeled compoumnds labeled compou ds labeled compoun ds labeled compou nds labeled compounws labeled compoundws labeled compounwds labeled compounes labeled compoundes labeled compouneds labeled compounrs labeled compoundrs labeled compounrds labeled compounss labeled compoundss labeled compounsds labeled compounfs labeled compoundfs labeled compounfds labeled compounxs labeled compoundxs labeled compounxds labeled compouncs labeled compoundcs labeled compouncds labeled compounvs labeled compoundvs labeled compounvds labeled compoun s labeled compound s labeled compoun ds labeled compoundq labeled compoundsq labeled compoundqs labeled compoundw labeled compoundsw labeled compoundws labeled compounde labeled compoundse labeled compoundes labeled compounda labeled compoundsa labeled compoundas labeled compoundd labeled compoundsd labeled compoundds labeled compoundz labeled compoundsz labeled compoundzs labeled compoundx labeled compoundsx labeled compoundxs labeled compoundc labeled compoundsc labeled compoundcs labeled compound labeled compounds labeled compound s Definition commonly spelled as: Defanition or Defenition, Synonym as: Synonim, Sinonym or Sinonim, Thesaurus as: Thesorus or Thesauris, Dictionary as: Dictionery or Dictionry and Define is usually not misspelled. What does mispell meen? It Meens...
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Reuilly France-Şag Romania |
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Saint-Python France-Santa Rita Panama |
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