plumbagin
The toxin 5-hydroxy-2-methyl-1,4-naphthoquinoneThe toxin 5-hydroxy-2-methyl-1,4-naphthoquinone.
Meaning
1 senses(uncountable)The toxin 5-hydroxy-2-methyl-1,4-naphthoquinone.
Origin
From plumbago + -in.From plumbago + -in.
Wiktionary, CC BY-SA 4.0 · source
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable