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marker 1. Small amount of an easily detected substance that can be used to follow and quantify the flow of materials or movement of organisms not otherwise visible or detectable by ordinary means. 2. An isotope of an element, a small amount of which may be incorporated into a sample of material in order to follow the course of that element through a chemical, biological, or physical process, and thus also follow the larger sample. The tracer may be radioactive, in which case observations are made by measuring the radioactivity n | |
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| environ. |
marker? (1. Mala količina tvari koja se može lako otkriti, a koja se može upotrebljavati za praćenje i kvantificiranje protoka materijala ili kretanja organizama koji inače nisu vidljivi ili se ne mogu otkriti običnim sredstvima. 2. Izotop elementa, čija se mala količina može ugraditi u uzorak materijala kako bi se pratio tijek tog elementa kemijskim, biološkim ili fizikalnim procesom, i time također pratiti i veći uzorak. Obilježivač (tracer) može biti radioaktivan, u kojem slučaju se opažanja provode mjerenjem radioaktivnosti) |
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| English thesaurus |
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| avia., Canada |
An object of a conventional shape, flag, or painted sign displayed above ground level AGL for the purpose of indicating an obstacle or delineating a boundary |
| mil., abbr. |
mrkr |
| mil., logist. |
A visual or electronic aid used to mark a designated point. 2. In land mine warfare. (FRA) |
