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