Where does this definition of flatten out come from?
This entry for flatten out is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
Is flatten out a noun, verb, or something else?
In this entry, flatten out is tagged as 2v..
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.