1. In the physical
sciences,
mass is a property of a particle or object that measures its
inertia, i.e. its resistance to change its state of motion when a force is applied to it.
Mass figures prominently in Isaac Newton's formulation of the laws of classical mechanics.
2. In
Christianity, mainly Roman Catholicism, a frequently performed ceremony
? re-enacting the
Last Supper and celebrating the resurrection of
Christ.
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