A slurry is a liquid mixture (especially involving water) composed of a mixture of various insoluble matter, such as mud or plaster of paris.
A special kind of slurry consisting of approximately 1% pulp (wood fiber) and 99% water, used to make paper, is called stock in the papermaking industry.
Slurry pipelines are a specialized method of material transport that use a watery slurry to move particulates from location to another.