pb

Definition

1. Noun:
   • Lead: The chemical symbol for the metallic element lead, derived from its Latin name 'plumbum'. It is a heavy, dense, soft metal with atomic number 82.

Usage Examples

• Noun:
  • Chì (Pb) là một kim loại nặng. (Lead (Pb) is a heavy metal.)
  • Ký hiệu Pb có nguồn gốc từ tiếng Latin. (The symbol Pb originates from Latin.)
  • Nhiều sơn cũ chứa chì (Pb). (Many old paints contain lead (Pb).)

Advanced Usage

• In chemistry, "Pb" is used in chemical formulas and equations.
  • Công thức của chì oxit là PbO. (The formula for lead oxide is PbO.)

Variants and Related Words

• Chì (n): The Vietnamese word for the element lead.
• Plumbum (n): The Latin origin of the symbol Pb.

Synonyms

• Lead: The English name for the element.
• Plumbum: The Latin source word.