intermittent kiln — type of kiln used for firing ceramic ware in a cyclical process. In this kiln, the ceramic objects, also known as ware, are placed inside the kiln for firing, after which the kiln is heated to the required temperature. Once the firing process is complete, the kiln is allowed to cool down, and then the finished ware is removed.

The term "intermittent" refers to the intermittent nature of the firing process, where the kiln is operated in a series of cycles. Each cycle involves loading the kiln with ware, heating it to the desired temperature, maintaining that temperature for the necessary duration, and then cooling it down. This cycle is repeated for each firing.

After the ware is fired and the kiln cools down, the kiln is opened, and the finished ceramic pieces are carefully removed. The intermittent kiln allows for controlled firing and cooling, ensuring that the ceramic ware is properly heated and cooled to achieve the desired results, such as vitrification and durability.