What is this Asian dish made with boiled vegetables? Does anyone know which is the dish where we have a pot/pan of boiling vegetables/meat in the center and people sit around it with their noodles and soup bowls and keep picking things from it and eating?
I think you mean a hot-pot stew (huǒ guō). There are many styles, Wikipedia has a fairly good article about it.

http://en.wikipedia.org/wiki/Hot_pot