1. The plural of gravity; multiple instances or types of gravitational force or seriousness
The different gravities on various planets affect how objects fall.
As diferentes gravidades em vários planetas afetam como os objetos caem.
2. Multiple instances of seriousness or importance of a situation or matter
We must consider the gravities of each offense separately.
Devemos considerar as gravidades de cada ofensa separadamente.
3. In physics, the plural form referring to gravitational field strengths in different locations
The gravities measured at different altitudes vary significantly.
As gravidades medidas em diferentes altitudes variam significativamente.