1. A measurable aspect of a physical object or space, such as length, width, height, depth, or volume
The physical dimensions of the room are 5 meters by 4 meters.
As dimensões físicas da sala são 5 metros por 4 metros.
2. In physics and mathematics, a fundamental aspect of space or matter that can be quantified
Time is considered a physical dimension in relativity theory.
O tempo é considerado uma dimensão física na teoria da relatividade.
3. The actual size or extent of something as opposed to abstract qualities
We need to understand the physical dimensions of the problem before solving it.
Precisamos entender as dimensões físicas do problema antes de resolvê-lo.