Synonyms are words that have similar or related meanings to another word. In the case of "Dahl Salt Resistant Rats", it refers to a specific breed of laboratory rats that are known for their resistance to high salt intake. Synonyms for this phrase might include "Dahl salt-tolerant rodents" or "Dahl salt-resistant rodents". These alternative phrases maintain the key descriptors while offering a slightly different phrasing. When scientists discuss or conduct research on these rats, they may use these synonyms interchangeably to convey the same idea without repetition. Synonyms help provide variety and flexibility in expressing concepts, particularly in scientific discussions.