ADDN Governmental & Military Abbreviation

ADDN has various meanings in the Governmental & Military category. Discover the full forms, definitions, and usage contexts of ADDN in Governmental & Military.

Addition

Most Common

The addition of atoms to opposite sides of a molecule. (Compare with "syn addition.") OR  a reaction that produces a new compound by combining all of the elements of the original reactants.

Governmental & Military

Citation

Last updated: