trace amount

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• Trace — Trace, n. [F. trace. See {Trace}, v. t. ] 1. A mark left by anything passing; a track; a path; a course; a footprint; a vestige; as, the trace of a carriage or sled; the trace of a deer; a sinuous trace. Milton. [1913 Webster] 2. (Chem. & Min.) A …   The Collaborative International Dictionary of English

• trace — trace1 [trās] n. [ME < OFr < tracier < VL * tractiare < L tractus, a drawing along, track < pp. of trahere, to DRAW] 1. Obs. a way followed or path taken 2. a mark, footprint, etc. left by the passage of a person, animal, or thing… …   English World dictionary

• trace element — trace elements 1) N COUNT A trace element is a chemical element such as iron or zinc that occurs in very small amounts in living things and is necessary for normal growth and development. 2) N COUNT A trace element is a very small amount of a… …   English dictionary

• trace element — trace .element n technical 1.) a chemical ↑element that your body needs a very small amount of to live 2.) a chemical ↑element that only exists in small amounts on Earth …   Dictionary of contemporary English

• trace — trace1 [treıs] v [T] ▬▬▬▬▬▬▬ 1¦(find somebody/something)¦ 2¦(origins)¦ 3¦(history/development)¦ 4¦(copy)¦ 5¦(with your finger)¦ 6 trace a call ▬▬▬▬▬▬▬ [Date: 1200 1300; : Old French; Origin: tracier, from Vulgar Latin tractiare to pull , from …   Dictionary of contemporary English

• trace — {{Roman}}I.{{/Roman}} noun 1 mark/sign that shows sb/sth happened/existed ADJECTIVE ▪ archaeological, historical ▪ indelible, permanent ▪ memory (technical) VERB + TRACE …   Collocations dictionary

• trace — 1 verb (T) 1 FIND SB/STH to find someone or something that has disappeared by searching for them carefully: She had given up all hope of tracing her missing daughter. 2 ORIGINS to find the origins of something, or where something came from: trace …   Longman dictionary of contemporary English

• trace — I. noun Etymology: Middle English, from Anglo French, from tracer to trace Date: 14th century 1. archaic a course or path that one follows 2. a. a mark or line left by something that has passed; also footprint b. a path, trail, or road made by… …   New Collegiate Dictionary

• trace — 1. Evidence of the former existence, influence, or action of an object, phenomenon, or event. 2. An extremely small amount or barely discernible indication of something. * * * Trandolapril Cardiac Evaluation [trial] * * * trace trās n 1) the… …   Medical dictionary

• trace — [[t]tre͟ɪs[/t]] ♦♦♦ traces, tracing, traced 1) VERB If you trace the origin or development of something, you find out or describe how it started or developed. [V n] The exhibition traces the history of graphic design in America from the 19th… …   English dictionary

• trace — trace1 [ treıs ] verb transitive ** 1. ) to find someone or something that you are looking for by asking questions and getting information: Detectives have so far failed to trace the missing woman. trace someone to something: They finally traced… …   Usage of the words and phrases in modern English