Oasts, also known as kilns, are buildings traditionally used for drying hops. There are several synonyms for the word "oasts" that can be used in different contexts. These synonyms include hop kilns, drying houses, hopyards, hop barns, and hop dryers. Each of these terms can be used to describe the facilities used to dry and process hops for use in brewing beer. Depending on the region and the industry, different terms may be more commonly used for these structures. Regardless of the terminology used, oasts remain an important aspect of the brewing process and indispensable for the production of quality beer.