Gallotannin is a commonly used term in the scientific community to describe a type of tannin molecule. However, there are also other terms that can be used to describe this substance. Some examples of synonyms for gallotannin include gallic acid tannin, digallic acid, and ellagitannin. These terms all refer to the same type of molecule, but may be used interchangeably depending on the context and purpose of the discussion. It is important to be aware of these different names when conducting research or discussing tannins in order to ensure clear communication and understanding among peers.