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