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