encrustment

A white encrustment covers the inside of the old metal kettle.

Definition

1. Noun:
   • A coating or crust: "encrustment" refers to the formation of a hard, outer layer or crust on a surface, often due to mineral deposits or biological growth.
   • A deposit of scale: In technical or industrial contexts, it specifically denotes a layer of calcified residue, such as lime scale in boilers or pipes.

Usage Examples

• (The hard mineral layer inside the boiler impaired performance.)
• (The accumulation of barnacles and algae forms a crust.)

Advanced Usage

• "to suffer encrustment": to experience the buildup of a crust, often negatively.

  • Old pipes often suffer encrustment from hard water deposits. (They develop a hard, scaling layer over time.)

• "encrustment of": used to specify the material causing the crust.

  • The encrustment of salt on the rocks was visible after the tide receded. (A layer of salt crystals formed a hard coating.)

Variants and Related Words

• Encrust (verb): to cover or coat with a crust or hard layer.

  • Mineral-rich water can encrust the inside of a kettle. (It deposits a hard layer inside.)

• Encrustation (noun): a synonym for encrustment, often used interchangeably.

  • The encrustation on the ancient statue was carefully cleaned. (The hard layer was removed.)

Synonyms

• Crust: a hard outer layer, often naturally formed.
• Scale: a flaky or encrusted deposit, especially in industrial settings.
• Deposit: a layer of accumulated material.

Related Idioms