What is another word for barm?
Pronunciation: [bˈɑːm] (IPA) 
Barm is a word often used to describe the frothy foam that forms on top of beer, or the yeast residue left from the beer-making process. Synonyms for barm include froth, foam, head, scum, and skim. In baking, barm can also refer to the yeast culture used for making sourdough bread. Other synonyms for barm in this context include starter, culture, and leaven. Barm can also be used colloquially to describe a person's temperament, in which case it can be replaced with synonyms such as mood, disposition, or attitude. Overall, depending on the context, there are several synonyms that can replace the word barm.
