What is another word for residual portion?
Pronunciation: [ɹɪsˈɪd͡ʒuːə͡l pˈɔːʃən] (IPA) 
When it comes to synonyms for the phrase "residual portion," there are a few different options to choose from. One possibility is "remaining portion," which suggests that a certain amount has already been used or removed, but there is still some left over. Another option is "leftover portion," which emphasizes the idea that this is something that wasn't used up or fully consumed. Other possibilities might include "unused portion," "untouched portion," or "vestigial portion," depending on the context and the specific connotations that the speaker or writer wants to convey. Regardless of the exact synonym chosen, the key idea is that there is a certain amount of something left over or remaining after some other process has taken place.
