solubilize: Definition and Much More from Answers.com

tr.v., -lized, -liz·ing, -liz·es.

To make (a substance such as a fat or lipid) soluble or more soluble, especially in water, by the action of a detergent or other agent.

(sŏl'yə-bə-līz')
v., -lized, -liz·ing, -liz·es.

To make substances such as fats soluble in water by the action of a detergent or similar agent.