1, The full form of ABM is Anti-ballistic Missile . It’s used on Governmental ,Weapons & Forces in Worldwide

An anti-ballistic missile (ABM) is a missile designed to counter ballistic missiles (a missile for missile defense). A ballistic missile is used to deliver nuclear, chemical, biological or conventional warheads in a ballistic flight trajectory. The term “anti-ballistic missile” describes any antimissile system designed to counter ballistic missiles. However the term is used more commonly for systems designed to counter intercontinental ballistic missiles (ICBMs).

2, The full form of ABM is American Business Media. It’s used on Associations & Organizations ,Trade Associations in United States

American Business Media is an association of business information providers that was founded in 1906.

3, The full form of ABM is Activity-based Management. It’s used on Business ,Business Management in Worldwide

Activity-based Management(ABM) is a method of identifying and evaluating activities that a business performs using activity-based costing to carry out a value chain analysis or a re-engineering initiative to improve strategic and operational decisions in an organization.