rigid movement
[ˈrɪdʒɪd ˈmuːvmənt]
nounpl: rigid movements
movimento rígido
1. A motion or displacement where an object maintains its shape and internal distances between points remain constant; movement without deformation
In physics, a rigid movement is one where the distance between any two points on an object remains unchanged.
Em física, um movimento rígido é aquele em que a distância entre dois pontos quaisquer do objeto permanece inalterada.
2. A movement characterized by stiffness, lack of flexibility, or mechanical quality without fluidity
The robot's rigid movement made it clear it was not human.
O movimento rígido do robô deixou claro que não era humano.
3. In mathematics, a transformation that preserves distances and angles, such as rotation, translation, or reflection
A rigid movement in geometry includes rotations and translations but excludes scaling.
Um movimento rígido em geometria inclui rotações e translações, mas exclui escalonamento.
This is primarily a technical term used in physics, mathematics, engineering, and biomechanics. It's not typically found in casual conversation but is essential vocabulary in STEM fields across both Brazil and the United States. The term maintains consistency across English and Portuguese-speaking scientific communities.
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