The term "more plumbic" refers to an increase in the amount of lead in a substance. Some synonyms for "more plumbic" include leaden, lead-filled, and lead-heavy. Additionally, terms such as "toxic" and "poisonous" may also be used to describe substances with higher concentrations of lead. It is important to be aware of the dangers associated with exposure to lead and to take precautions to limit exposure when possible. This may include taking measures such as using protective equipment when handling lead-based substances or avoiding areas where lead contamination is known to be present.