What are dense fluids?

Some articles on dense fluids, dense, fluid:

... Less dense fluids float on more dense fluids if they do not mix ... can be extended, with some care, to less dense solids floating on more dense fluids ... In most materials, heating the bottom of a fluid results in convection of the heat from bottom to top of the fluid due to the decrease of the density of the heated fluid ...

Famous quotes containing the word dense:

    While you’re playing cards with a regular guy or having a bite to eat with him, he seems a peaceable, good-humoured and not entirely dense person. But just begin a conversation with him about something inedible, politics or science, for instance, and he ends up in a deadend or starts in on such an obtuse and base philosophy that you can only wave your hand and leave.
    Anton Pavlovich Chekhov (1860–1904)