English Reference

Word

trace

US/ˈtɹeɪs/

UK/tɹˈeɪs/

Definitions

01to find the origin

B1 · Intermediate

v. to find the origin or history of something by following its development.

v. to investigate or delineate the history, origin, or development of something by following a series of clues or records.

“The police were able to trace the phone call to a house in the suburbs.”

“Historians have attempted to trace the evolution of these social customs back to the early medieval period, though primary sources remain scarce.”

Synonyms

02to copy a drawing

B1 · Intermediate

v. to copy a picture by putting a thin piece of paper over it and drawing the lines you see.

v. to copy a drawing, map, or design by following its lines on a superimposed transparent sheet.

“The child used a window to trace the cartoon character onto a clean sheet of paper.”

“The architect carefully traced the original blueprints to ensure the renovation plans maintained the building's structural integrity.”

03to follow program execution

C1 · Advanced Computing Technical

v. to follow the steps of a computer program to see how it works or find mistakes.

v. to monitor the execution of a program by recording the sequence of instructions or state changes.

“The developer had to trace the code to find where the error was happening.”

“By using a debugger to trace the execution flow, the engineer identified a race condition that only occurred during high network latency.”

Synonyms

04a tiny amount

B2 · Upper Intermediate Countable noun Science Academic

n. a very small amount of something, especially something that is left behind.

n. a minute or barely detectable amount of a substance, often residual in nature.

“The lab found traces of a rare chemical in the water sample.”

“Forensic investigators discovered minute traces of copper on the victim's clothing, suggesting they had recently been in a machine shop.”

Synonyms

hintscrapvestige

Antonyms

05a mark or sign

B1 · Intermediate Countable noun

n. a mark or sign that shows someone or something was there.

n. a visible mark, footprint, or sign left by the passage of a person, animal, or object.

“The hikers disappeared without a trace during the heavy snowstorm.”

“The ancient hunters followed the faint traces of the herd across the dry riverbed, hoping to find them before dusk.”

Synonyms

06circuit board path

C1 · Advanced Countable noun Electronics Technical

n. a thin line of metal on a circuit board that carries electricity.

n. a conductive path or track on a printed circuit board that connects electronic components.

“If a trace on the motherboard is broken, the computer will not start.”

“The high-frequency signals required the designer to carefully calculate the width and length of each copper trace to prevent interference.”

Synonyms

07matrix sum

C2 · Proficiency Countable noun Mathematics Technical · Academic

n. the sum of the numbers on the main diagonal of a square grid of numbers.

n. the sum of the elements on the main diagonal of a square matrix.

“To solve the problem, you first need to calculate the trace of the matrix.”

“The trace of a linear transformation is invariant under a change of basis, making it a fundamental property in linear algebra.”

08harness strap

C2 · Proficiency Countable noun Archaic

n. one of the two straps or chains that connect a horse's harness to a vehicle.

n. each of the two side-straps or chains by which a horse or other draught animal pulls a vehicle.

“The horse pulled hard against the traces as the carriage moved up the hill.”

“The leather traces had become brittle with age, snapping suddenly when the wagon hit a deep rut in the road.”

Synonyms

Collocations

Common phrases and expressions where native English speakers use the word “trace” in context.

Verb

01. contain a trace of nuts

“The label warns that the chocolate may contain a trace of nuts due to the manufacturing process.”

verb + noun + of + noun

02. leave a trace

“The burglars were professional and careful not to leave a trace of their presence.”

verb + noun

03. vanish without a trace

“The small aircraft seemed to vanish without a trace over the Atlantic Ocean.”

verb + prep + noun

Adjective

04. faint trace

“There was still a faint trace of perfume lingering in the empty hallway.”

adj + noun

05. visible trace

“After the cleanup, there was no visible trace of the oil spill on the beach.”

adj + noun

Noun

06. trace amounts of radiation

“Scientists detected trace amounts of radiation in the water supply following the incident.”

noun + of + noun

07. trace elements

“The soil was enriched with trace elements to help the exotic plants thrive.”

noun + noun

08. traced back

Real-World Examples

“Solar eclipse | Wednesday’s eclipse began in Russia’s remote Arctic north , going on to trace an arc over much of western Europe.”
The Guardian 13 Aug 2026
“Milburn says the risk of a child becoming Neet can be traced to their earliest years in preschool.”
The Guardian 9 Aug 2026

Word family

VERB

trace(C1)

Domains

ComputingElectronicsEngineeringGrammarProgramming

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
Frequency
Common
Level
C1 · AdvancedOxford
Updated

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