"Sal de duobus" is a Latin phrase that translates to "salt of two". Synonyms for this phrase could include "combination salt", "dual salt", or even "binary salt". These terms describe a type of salt that is composed of two different components or elements. With such synonyms, one can easily convey the concept of a salt that is created by the joining together of two distinct substances. Whether used in scientific or culinary contexts, alternative phrases like "combination salt" allow for clear and concise communication, ensuring that the intended meaning is conveyed accurately.