lab mark

[/læb mɑːrk/]
nounpl: lab marks
marca de laboratório
1. A mark, label, or identification made on a substance or object in a laboratory setting to indicate origin, composition, or experimental purpose
The lab mark on the chemical sample indicated it was tested on January 15th.
A marca de laboratório na amostra química indicava que havia sido testada em 15 de janeiro.
2. A distinctive symbol or notation used in scientific documentation to track laboratory specimens or experimental data
Each test tube received a lab mark for proper identification during the experiment.
Cada tubo de ensaio recebeu uma marca de laboratório para identificação adequada durante o experimento.
3. Evidence or trace left by laboratory procedures on a material or surface
The forensic team found lab marks on the evidence suggesting prior analysis.
A equipe forense encontrou marcas de laboratório nas evidências sugerindo análise prévia.
This term is primarily used in scientific, medical, and forensic contexts in both English and Portuguese-speaking countries. It reflects the standardized practices of laboratory documentation and specimen management, which are critical in maintaining scientific integrity and traceability of experimental materials.
Synonyms / Sinônimos
lab taglaboratory labelspecimen markerlab identifier

Regional Variations

General Brazilian
marca de laboratório
Standard term used in scientific and academic contexts
São Paulo
marca laboratorial
More formal variant preferred in scientific publications
Portugal
marca de laboratório
Same as Brazilian Portuguese; used in European scientific contexts

Related Words

laboratoryspecimenidentificationmarkingsampleanalysis
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