Additionally, the term electrotherapy or electromagnetic therapy has also been applied to a range of alternative medical devices and treatments. It has not been found to be effective in increasing bone healing.
The adjective form of belligerent means hostile, or inclined to fight. It can also apply to a group (e.g. belligerent nation) involved in a war. The noun belligerent is from the second definition: it is a group, or especially a country, that is actively fighting in a war.
Belligerent refers to a tendency to hostile behavior: A belligerent reporter badgered the politician. Bellicose describes a warlike or hostile manner or temperament: Madison, far from being pushed into war by a bellicose Congress, had to drag his own hesitant party into it. (Garry Wills).