A violent oscillation or vibration.
The reflection of light or heat; a reflection in, or as though in, a mirror.
An echo, or a series of overlapping echoes.
An evolving series of effects resulting from a particular event; a repercussion.
A shaking of the body to ascertain whether there is liquid in the thorax.
The preparation of a diluted substance in homeopathy by vigorously shaking it against an elastic body.