Where does this definition of ammonium alum come from?
This entry for ammonium alum is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
Does ammonium alum appear elsewhere on Lughet?
Yes — ammonium alum appears under other sources or language pairs in Lughet's collection. See the list below.
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.