Where does this definition of brain wave come from?
This entry for brain wave is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is brain wave a noun, verb, or something else?
In this entry, brain wave is tagged as 2n..
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.