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