Where does this definition of perchlorinated polyvinyl chloride come from?
This entry for perchlorinated polyvinyl chloride is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
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.