noun Date: 14th century 1. one that traces, tracks down, or searches out: as a. a person who traces missing persons or property and especially goods lost in transit b. an inquiry sent out in tracing a shipment lost in transit 2. one who traces designs, patterns, or markings 3. a device (as a stylus) used in tracing 4. a. ammunition containing a chemical composition to mark the flight of projectiles by a trail of smoke or light b. a substance used to trace the course of a chemical or biological process; especially label 3d

New Collegiate Dictionary. 2001.

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  • tracer — [ trase ] v. <conjug. : 3> • XVe; tracier XIIe; lat. pop. °tractiare, class. trahere « tirer, traîner » I ♦ V. tr. 1 ♦ Vx Suivre à la trace, poursuivre. 2 ♦ (mil. XVIe) Indiquer et ouvrir plus ou …   Encyclopédie Universelle

  • Tracer — may refer to: *Histochemical tracer, a substance used for tracing purposes in histochemistry, the study of the composition of cells and tissues *Isotopic tracer, a substance with an isotope that has been enriched to a greater level than that… …   Wikipedia

  • tracer — Tracer. v. act. Tirer les premieres lignes d un dessein, d un plan, sur le papier, sur la toile, sur le terrein. Tracer un plan. tracer un dessein. tracer une allé, un parterre, un fort, un bastion, des travaux &c. tracer de la tapisserie. tracer …   Dictionnaire de l'Académie française

  • 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 …   The Collaborative International Dictionary of English

  • tracer — Tracer, Inuestigare, Vestigare. Que les gens de village dient tracher. Tracer aussi est grossierement peindre et desseingner les traicts qu on doibt suyvre à faire quelque ouvrage à l esguille sur cannevas ou au pinceau sur autre chose, Delineare …   Thresor de la langue françoyse

  • Tracer — [tre̱ißer; aus engl. tracer = Aufspürer] m; s, : Bezeichnung für radioaktive Markierungsstoffe, mit deren Hilfe u.Tracera. biochemische Vorgänge im Organismus verfolgt werden können …   Das Wörterbuch medizinischer Fachausdrücke

  • tracer — (n.) c.1500, one who tracks or searches, agent noun from verb form of TRACE (Cf. trace) (n.1). Meaning bullet whose course is made visible is from 1910 …   Etymology dictionary

  • tračer — trȁčer m DEFINICIJA reg. onaj koji trača ETIMOLOGIJA vidi trač …   Hrvatski jezični portal

  • tracer — A form (Form 1510, Mail Loss/Rifling Report) that customers fill out to locate delayed or undelivered mail …   Glossary of postal terms

  • tracer — ► 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 …   English terms dictionary

  • tracer — [trās′ər] n. 1. a person or thing that traces; specif., a) a person whose work is tracing drawings, designs, etc. on transparent paper b) a person whose work is tracing lost or missing articles, persons, etc. c) an instrument for tracing designs… …   English World dictionary

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