surface roughness

[/ˈsɜːrfɪs ˈrʌfnəs/]
nounpl: surface roughnesses
rugosidade de superfície
1. The measure of the texture of a surface, quantifying deviations from ideal flatness or smoothness
The surface roughness of the metal component was measured at 3.2 micrometers.
A rugosidade de superfície do componente metálico foi medida em 3,2 micrômetros.
2. In manufacturing and engineering, the degree of irregularity or asperity on a finished surface
Proper polishing techniques reduce surface roughness and improve product quality.
Técnicas adequadas de polimento reduzem a rugosidade de superfície e melhoram a qualidade do produto.
3. A characteristic that affects friction, wear, and adhesion properties of materials
Surface roughness plays a crucial role in determining the friction coefficient between two surfaces.
A rugosidade de superfície desempenha um papel crucial na determinação do coeficiente de atrito entre duas superfícies.
This is primarily a technical term used in engineering, manufacturing, and materials science fields. Both in the US and Brazil, it is standardized terminology used in industrial quality control, automotive production, and precision manufacturing. In Brazil, the term 'rugosidade de superfície' is widely adopted in technical documentation and ISO standards.
Synonyms / Sinônimos
surface textureasperitysurface irregularityfinish quality
Antonyms / Antônimos
surface smoothnessflatnessplanarity

Regional Variations

General Brazilian
rugosidade de superfície
Standard technical term used in engineering and manufacturing contexts across Brazil
São Paulo
rugosidade superficial
Alternative variant commonly used in industrial and automotive sectors
Portugal
rugosidade da superfície
Portuguese variant with slightly different preposition usage; also 'aspereza'
Technical/Academic
textura de superfície
More general academic term encompassing broader surface characteristics

Related Words

roughness average (Ra)profilometersurface finishmicrostructurepolishinggrindingfriction coefficient

Related Idioms & Phrases

smooth as glass (opposite concept)
rough around the edges (figurative usage)
Look up more words on Fala2Me
The free English-Portuguese dictionary with real Brazilian accents, NYC slang, conjugator and more
Open Fala2Me →