two fluids that fusion. Fluids that are under pressure. Example: when you have water in a syringe and you push it. The liquid is now a confined fluid, because the particles are being pushed together.
an atomic explosion will probably happen due to the atoms being "squished". however some people think that is will turn to a solid as the properties of a solid mean that the atoms particles are close...
The term fluid is a general one, and we apply it to substances that will change shape (deform) under any stress. In that light, a liquid, a gas or a plasma are considered fluids. There may be some...