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