sensitive materials

[SEN-suh-tiv muh-TEER-ee-ulz]
nounpl: sensitive materials
materiais sensíveis
1. Information, documents, or substances that require special handling, protection, or classification due to their confidential, hazardous, or restricted nature
The laboratory stores sensitive materials in a secure vault with limited access.
O laboratório armazena materiais sensíveis em um cofre seguro com acesso limitado.
2. Government or military classified information that could endanger national security if disclosed
The official was accused of mishandling sensitive materials related to national defense.
O funcionário foi acusado de manusear indevidamente materiais sensíveis relacionados à defesa nacional.
3. Substances that are reactive, unstable, or potentially dangerous and require careful storage and handling
Chemical sensitive materials must be stored in temperature-controlled environments.
Materiais sensíveis químicos devem ser armazenados em ambientes com temperatura controlada.
In Brazilian business and government contexts, 'materiais sensíveis' is the standard term used in security protocols and confidentiality agreements. In the USA, the term is frequently used in national security, corporate governance, and scientific research contexts. Both cultures emphasize strict access control and proper documentation when dealing with sensitive materials.
Synonyms / Sinônimos
classified materialsrestricted materialsconfidential materialshazardous materialsproprietary information
Antonyms / Antônimos
public materialsunrestricted materialsdeclassified informationopen-access materials

Regional Variations

General Brazilian
materiais sensíveis
Most common and neutral term used in official contexts
São Paulo
materiais confidenciais
Often used in corporate and business settings
Rio de Janeiro
materiais delicados
Common in both security and scientific contexts
Portugal
materiais sensíveis / materiais classificados
Both terms are used; 'classificados' emphasizes official classification

Related Words

confidentialityclassified informationrestricted accesshazardous substancesproprietary datasecurity clearance

Related Idioms & Phrases

handle with care
classified information
need-to-know basis
under lock and key
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