lead tetraethyl (noun)

1. The use of lead tetraethyl in gasoline was widespread throughout the 20th century, but its harmful effects on human health eventually led to its phased-out ban in many countries.

2. In the horror movie, a deranged scientist secretly mixed lead tetraethyl into the town's water supply, causing the unsuspecting residents to suffer from hallucinations and paranoia.

3. In the cartoon series, the mischievous character accidentally spills lead tetraethyl on the ground, resulting in all the plants and animals in the vicinity growing to enormous sizes and wreaking havoc on the city.

4. According to ancient mythology, lead tetraethyl was a substance created by the gods and bestowed upon mortals as a powerful but dangerous tool. It was said to possess the ability to grant extraordinary strength, but also madness and eventual demise.