Sentence:  Magnesium hydroxide <WSD>slurry</WSD> consists of an aqueous suspension of particulate magnesium hydroxide. The principle sources of <WSD>slurry</WSD> are from seawater- or brine-produced magnesium hydroxide, natural brucite, or from the slaking of magnesium oxide powder. Magnesium hydroxide <WSD>slurry</WSD> is gaining in popularity as a replacement for caustic soda and lime in waste-water treatment applications. 
Meaning of the word marked with <WSD> tags:  Any flowable suspension of small particles in liquid.