outer diameter

[ˈaʊtər daɪˈæmɪtər]
nounpl: outer diameters
diâmetro externo
1. The measurement of the longest straight line that passes through the center of a circular or cylindrical object, measured from the outside edge to the outside edge
The outer diameter of the pipe is 50 millimeters.
O diâmetro externo do tubo é de 50 milímetros.
2. In engineering and manufacturing, the maximum width or distance across the exterior of a round or tubular component
We need to check the outer diameter before fitting the ring onto the shaft.
Precisamos verificar o diâmetro externo antes de encaixar o anel no eixo.
This is a technical term commonly used in Brazilian and Portuguese engineering, manufacturing, and construction industries. In technical drawings and specifications, it is often abbreviated as 'DE' or represented by the diameter symbol (Ø). The term is standardized across Portuguese-speaking countries and is essential in precision manufacturing contexts.
Synonyms / Sinônimos
external diameteroutside diameterOD
Antonyms / Antônimos
inner diameterinternal diameterbore

Regional Variations

General Brazilian
diâmetro externo
Standard technical term used in engineering and manufacturing contexts
Portugal
diâmetro exterior
Alternative form sometimes used, though diâmetro externo is also common
Technical/Industrial Brazil
DE ou Ø ext
Abbreviated forms used in technical drawings and specifications

Related Words

diameterradiuscircumferencetoleranceborespecification
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