Activation energy and Mass energy

Activation energy noun - The energy that an atomic system must acquire before a process (such as an emission or reaction) can occur.

Mass energy and activation energy are semantically related in separation energy topic. In some cases you can use "Mass energy" instead a noun phrase "Activation energy".

Mass energy noun - (physics) the mass of a body regarded relativistically as energy.

Activation energy and mass energy are semantically related in separation energy topic. You can use "Activation energy" instead a noun phrase "Mass energy".