The term AS CELLS DISSOLVE can be broken down into four crossword solutions: LYSE (4 letters), THAW (4 letters), LEACH (5 letters), and MELT (4 letters). Lyse is a biological process in which cells are broken down by the action of enzymes. Thawing is the process of melting a solid, such as ice, to a liquid state. Leaching is the process of extracting a soluble substance from a solid by passing a solvent through it. Finally, melting is the process of changing a solid to a liquid state by applying heat. All of these processes are involved in the dissolution of cells.