Where does this definition of hardening heat come from?
This entry for hardening heat is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
Does hardening heat appear elsewhere on Lughet?
Yes — hardening heat 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.