noun
- Plural of plumbum; the Latin or scientific name for the chemical element lead (Pb).
Usage: technical; chemistry; rare in everyday English
Examples
- The periodic table lists plumbums among the heavy metals.
- In chemistry class, students learned that plumbums has atomic number 82.
- Ancient Romans used plumbums for pipes and vessels.
- The symbol for plumbums on the periodic table is Pb.
- Plumbums compounds were once common in paints and gasoline.