a tendency or a course of events
The generally unidirectional movement of a gas or fluid.
the amount of electric charge flowing in each unit of time.
The part of a fluid that moves continuously in a certain direction, especially (oceanography) short for ocean current.
Electric; of or relating to electricity.
Generally accepted, used, practiced, or prevalent at the moment.
Existing or occurring at the moment.
To make invalid or affect with disease.
To exempt from (often military) duty because of injury or ill health.
Not valid; not true, correct, acceptable or appropriate.
Suffering from disability or illness.
Intended for use by an invalid.