Foam is a type of material that is made up of many small BUBBLES or particles. It is created when air or gas is mixed with a liquid, and can be used for a variety of purposes. The crossword solutions for the term foam include FERMENT (7 letters), FIZZ (4 letters), SPRAY (5 letters), EFFERVESCENCE (13 letters), YEAST (5 letters), HEAD (4 letters), SURF (4 letters), CREAM (5 letters), BUBBLES (7 letters), BUBBLE (6 letters), SEETHE (6 letters), SPUME (5 letters), FROTH (5 letters), LATHER (6 letters), SUDS (4 letters), and SCUM (4 letters). FERMENT is the process of converting carbohydrates into alcohol or organic acids using YEAST or bacteria. FIZZ is the sound of a carbonated beverage when it is opened. SPRAY is a fine mist of liquid particles that is dispersed in the air. EFFERVESCENCE is the process of releasing gas BUBBLES from a liquid. YEAST is a single-celled organism that is used to make bread, beer, and wine. HEAD is the foam that forms on top of a beer or other carbonated beverage. SURF is the foam that forms on the crest of waves in the ocean. CREAM is a thick, rich foam that forms on the top of milk. BUBBLES are round, thin-walled pockets of air or gas that are suspended in a liquid. BUBBLE is a single BUBBLE. SEETHE is to foam or FROTH as if boiling. SPUME is a frothy foam that forms on the surface of the sea. FROTH is a mass of BUBBLES or foam. LATHER is a frothy substance produced by soap or detergent when mixed with water. SUDS are a mass of small BUBBLES formed in soapy water. SCUM is a thin film of impurities that forms on the surface of a liquid.