Peptize, a word of chemical origin, refers to a process in which solid particles are dispersed in a liquid to form a sol. Alternatives for peptize include the synonyms precipitate, agglutinate, coagulate, condense, and solidify. All these words relate to the formation of solid particles from smaller components. Precipitate means to cause a substance to be deposited from a solution, agglutinate refers to the binding of particles into a cluster, coagulate describes the process of converting a liquid into a semi-solid mass, condense means to thicken or become denser, while solidify means to convert a liquid into a solid substance. These synonyms for peptize offer alternative words to use when describing the formation of chemical or biological solutions.