Nonproliferation (noun)

1. The act or policy of preventing the spread of weapons of mass destruction, especially nuclear weapons.
2. The measures taken to prevent the spread of nuclear weapons or other weapons of mass destruction.

Origin:

Derived from the prefix 'non-' meaning 'not' and the word 'proliferation', meaning 'the spread or increase of something'.

Examples:

1. Nonproliferation efforts have been ongoing for decades to prevent the spread of nuclear weapons.
2. The Nonproliferation Treaty is an international agreement aimed at preventing the spread of nuclear weapons.
3. Nonproliferation experts warn that the spread of nuclear weapons to unstable regions is a major global threat.
4. Nonproliferation measures include inspections, sanctions, and diplomatic efforts to prevent the spread of weapons of mass destruction.
5. International cooperation and coordination is essential for effective nonproliferation efforts to succeed.