Definition

1. Noun:
   • A type of alloy: "white metal" refers to a category of alloys, often with a base of lead, tin, or antimony, characterized by their silvery-white color and relatively low melting point. They are commonly used for bearings, solders, and castings where low friction and resistance to wear are important.

Usage Examples

• Noun:
  • The old machinery's bearings were made of a durable white metal.
  • Tin-based white metal is often used for lining engine bearings.

Advanced Usage

• Technical Context: In engineering and metallurgy, "white metal" can specify precise alloys like Babbitt metal, used for bearing surfaces.
  • The crankshaft journal rotates within a white metal bearing shell.

Variants and Related Words

• Babbitt metal (n): A specific type of tin- or lead-based white metal alloy used for bearings.
  • Babbitt metal is a classic example of a white metal bearing alloy.
• Pewter (n): A malleable alloy traditionally made of tin and lead (or antimony), often classified as a type of white metal.
  • The antique tankard was crafted from pewter, a common white metal.

Synonyms

• Bearing alloy: An alloy specifically designed for use in bearings.
• Soft alloy: A general term for alloys with low hardness and melting points.

Related Phrases

• White metal bearing: A bearing made from a white metal alloy.
  • The technician replaced the worn white metal bearing.

Related Idioms

Noun

1. an alloy (often of lead or tin base) used for bearings