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