- A theoretical aggregation of molecules constituting a
structural particle of protoplasm, capable of increase or diminution
without change in chemical nature.
- A shaking or agitation; a shock; caused by the
collision of two bodies. - A condition of lowered functional activity, without
visible structural change, produced in an organ by a shock, as by fall
or blow; as, a concussion of the brain. - The unlawful forcing of another by threats of violence
to yield up something of value.