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