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