well, I'm going to have to throw out this round due to far too many Eco-philes. stay tuned for round 7a.
'Potio-section, as everybody knows, is the art of slicing soup. No, no,' he said to Diotallevi. 'It's not a department, it's a subject, like Mechanical Avunculogratulation or Pylocatabasis. They all fall under the heading of Tetrapyloctomy.'
'What's tetra...?'
'The art of splitting a hair four ways. Mechanical Avunculogratulation, for example, is how to build machines for greeting uncles. We're not sure, though, if Pylocatabasis belongs, since it's the art of being saved by a hair. Somehow that doesn't seem completely useless.'