Where does this definition of expansion board come from?
This entry for expansion board is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
Is expansion board a noun, verb, or something else?
In this entry, expansion board 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.