Thermoforming is a popular process that is used in the manufacturing of various products. This process involves heating a plastic sheet until it becomes pliable and then shaping it into a specific form by using a mold. Some of the most commonly used synonyms for the word "thermoform" include the phrases "heat form," "vacuum-form," and "pressure-form." Other related words that can be used in place of thermoform are "mold," "shape," and "cast." These synonyms are helpful in describing the process of heating and molding plastic materials into a desired shape. Additionally, they provide a better understanding of the wide range of terms used in the manufacturing industry to describe this process.