Where does this definition of refractory mortar come from?
This entry for refractory mortar is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Does refractory mortar appear elsewhere on Lughet?
Yes — refractory mortar 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.