{^f Coinage metals: authors vary on whether or not roentgenium (Rg) is considered a coinage metal. It's in group 11, like another coinage metals, and is expected for being chemically much like gold.
Army. a versatile administrative and tactical unit consisting of two or even more battalions plus a headquarters.
Arithmetic. an algebraic system that's closed below an associative operation, as multiplication or addition, and by which There is certainly an identification factor that, API서비스 on working on One more factor, leaves the next aspect unchanged, and where Just about every aspect has comparable to it a novel aspect that, on running on the primary, ends in the identification factor.