Fluid dynamics.

During the process it coagulated at the edges; and the coagulated mass was again dissolved, by stirring it into the boiling fluid mass.

End-of-course test in Elementary fluid mechanics.

I roused up the officer and dismissed him with a final cigar and what he called an 'eye-opener'about two fluid-ounces.

In bilious diarrhoea, with large brown fluid stools and complete loss of appetite, there is much thirst, and in a few days the dog gets rather thin, although nothing like so rapidly as in the emaciation of distemper.