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