Where does this definition of absolute ceiling come from?
This entry for absolute ceiling is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is absolute ceiling a noun, verb, or something else?
In this entry, absolute ceiling 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.