military terminology is the words and acronyms used by military organization and members of various militaries. military terms may have the same spelling as common words but mean something very different. common terms may also differ between militaries of english-speaking countries. they also differ in their use of abbreviations. for example, british and american abbreviations for the same thing may be very different. military terms can also be specific to one branch of a nation's military or to a specific war or period of time.