Where does this definition of radius vector come from?
This entry for radius vector is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is radius vector a noun, verb, or something else?
In this entry, radius vector is tagged as 2n..
Does radius vector appear elsewhere on Lughet?
Yes — radius vector 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.