(tracer
71tracer — v.i. Aller vite : Une tire qui trace …
72tracer — A chasing tool. Also see …
73tracer — noun 1》 a bullet or shell whose course is made visible by a trail of flames or smoke, used to assist in aiming. 2》 a substance introduced into a system so that its subsequent distribution can be followed from its colour, radioactivity, or other… …
74tracer — noun (C) a bullet that leaves a line of smoke or flame behind it …
75tracer — trac·er …
76tracer — n. a substance that is introduced into the body and whose progress can subsequently be followed so that information is gained about metabolic processes. Radioactive tracers, which are substances labelled with radionuclides, give off radiation… …
77tracer — trac•er [[t]ˈtreɪ sər[/t]] n. 1) a person or thing that traces 2) a person whose business or work is the tracing of missing property, parcels, persons, etc 3) an inquiry sent from point to point to trace a missing shipment, parcel, or the like 4) …
78tracer — A substance (typically a radioactive isotope or a fluorescent dye) that can be detected by physical means, and which is used to analyse the progress of a chemical reaction or a biological process …
79tracer — A substance (such as a radioisotope) used in imaging procedures …
80tracer — n. 1 a person or thing that traces. 2 Mil. a bullet etc. that is visible in flight because of flames etc. emitted. 3 an artificially produced radioactive isotope capable of being followed through the body by the radiation it produces …
