Where does this definition of manic depression come from?
This entry for manic depression is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is manic depression a noun, verb, or something else?
In this entry, manic depression is tagged as noun.
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.