dibenzopyrene
Any of a group of polycyclic aromatic hydrocarbons formed by two benzene rings fused…Any of a group of polycyclic aromatic hydrocarbons formed by two benzene rings fused to a pyrene
Meaning
1 senses(uncountable)Any of a group of polycyclic aromatic hydrocarbons formed by two benzene rings fused to a pyrene
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable