stiff materials

[/stɪf ˈmætəriəlz/]
noun phrase
materiais rígidos
1. Substances or fabrics that are rigid, inflexible, and resistant to bending or deformation
Stiff materials like cardboard and plywood are ideal for construction projects.
Materiais rígidos como papelão e compensado são ideais para projetos de construção.
2. Textiles or fabrics that have been treated or manufactured to resist folding and maintain their shape
The shirt was made of stiff materials that required softening after washing.
A camisa era feita de materiais rígidos que precisavam ser amolecidos após a lavagem.
3. In engineering and manufacturing, materials with high rigidity and low flexibility indices
Engineers selected stiff materials to ensure structural integrity.
Os engenheiros selecionaram materiais rígidos para garantir a integridade estrutural.
In Brazilian manufacturing and textile industries, 'materiais rígidos' is the standard technical term. The concept is particularly important in the automotive, construction, and fashion industries where material properties determine product quality and durability. In casual American English, 'stiff' can also mean formal or unfriendly behavior, but this meaning doesn't apply to the materials context.
Synonyms / Sinônimos
rigid materialsinflexible materialshard materialsfirm materialssolid materials
Antonyms / Antônimos
flexible materialssoft materialspliable materialselastic materialssupple materials

Regional Variations

General Brazilian
materiais rígidos
Most common and standard usage across Brazil
São Paulo
materiais duros
Alternative usage emphasizing hardness over rigidity
Rio de Janeiro
materiais endurecidos
Less common, used in specialized textile contexts
Portugal
materiais rígidos
Same as Brazilian Portuguese; 'materiais duros' also acceptable

Related Words

rigidityflexibilitytensile strengthdurabilitystructural integritycomposite materials

Related Idioms & Phrases

as stiff as a board
stiff upper lip
keep a stiff upper lip
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