Definition of nuclear physics

Before there could be nuclear physics, there had to be physics, so lets start by giving a definition of physics from Wikipedia:

Physics (from Ancient Greek: physis "nature") is a natural science that involves the study of matter and its motion through space-time, as well as all related concepts, including energy and force. More broadly, it is the general analysis of nature, conducted in order to understand how the universe behaves.

Physics is one of the oldest academic disciplines, perhaps the oldest through its inclusion of astronomy. Over the last two millennia, physics had been considered synonymous with philosophy, chemistry, and certain branches of mathematics and biology, but during the Scientific Revolution in the 16th century, it emerged to become a unique modern science in its own right. However, in some subject areas such as in mathematical physics and quantum chemistry, the boundaries of physics remain difficult to distinguish.

Physics is both significant and influential, in part because advances in its understanding have often translated into new technologies, but also because new ideas in physics often resonate with other sciences, mathematics, and philosophy. For example, advances in the understanding of electromagnetism or nuclear physics led directly to the development of new products which have dramatically transformed modern-day society, such as television, computers, domestic appliances, and nuclear weapons; advances in thermodynamics led to the development of motorized transport; and advances in mechanics inspired the development of calculus

What then is nuclear physics?

Nuclear physics is the field of physics that studies the building blocks and interactions of atomic nuclei.

The most commonly known applications of nuclear physics are
--nuclear power
--nuclear weapons

Other applications are in the area of medicine
--nuclear medicine
--magnetic resonance imaging

Engineering
--materials engineering (ion implantation)

Archaeology
--radiocarbon dating