CEFR C1
bismuth
noun
Meaning
A chemical element with the symbol Bi and atomic number 83, it is a post-transition metal and one of the pnictogens with an electronegative character.
Examples
- Bismuth compounds are used in cosmetics, and bismuth subsalicylate is an ingredient in some medications for treating diarrhea.
- The crystals of bismuth are often iridescent and have a beautiful, stepped structure.