tetraethyl lead (noun)

1. In the latest issue of the superhero comic, the villain used tetraethyl lead as a toxic weapon against the protagonist.

2. The construction company had to ensure that the building materials did not contain any tetraethyl lead, as it can be harmful to both the construction workers and the future occupants.

3. In the animated series, the evil scientist accidentally spilled tetraethyl lead into the river, causing the fish to mutate into dangerous creatures.

4. The protagonist in the anime series discovered a secret plot to contaminate the city's water supply with tetraethyl lead, which would have disastrous consequences for the population.