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