English Reference
noun · verb

enamel

n. · v.
US /ɪˈnæməɫ/ UK /ɪnˈæməl/ enam·el UK spelling enamels

  1. 01 B2 Upper Intermediate Medicine

    n.the hard, white outer layer that covers and protects your teeth.

    n.the hard, highly mineralised substance that forms the outer protective layer of the crown of a tooth.

    Simple

    Drinking too many sugary sodas can damage the enamel on your teeth.

    In context

    Acid erosion can lead to the permanent loss of tooth enamel, exposing the sensitive dentin underneath and increasing the risk of cavities.

  2. 02 C1 Advanced Technical

    n.a smooth, shiny coating baked onto metal, glass, or clay objects to protect them.

    n.an opaque or semi-transparent glassy substance applied to metallic or ceramic surfaces for protection or decoration.

    Simple

    The blue enamel on the vintage cooking pot was still bright and shiny.

    In context

    The artisan applied several layers of vitreous enamel to the copper base before firing it in the kiln at high temperatures.

  3. 03 C1 Advanced Technical

    n.a type of paint that dries to a very hard, smooth, and shiny finish.

    n.a paint that air-dries to a hard, usually glossy, finish, used for coating surfaces that are in outdoor qualities or otherwise subject to wear.

    Simple

    He used a white enamel paint for the window frames to make them easy to clean.

    In context

    The contractor recommended a high-quality exterior enamel for the metal railings to prevent rust and maintain a polished appearance.

  4. 04 C2 Proficiency TechnicalFormal

    v.to cover something with a hard, shiny layer of enamel.

    v.to coat, decorate, or provide a glossy finish to a surface with enamel.

    Simple

    The jeweler decided to enamel the pendant with a deep red color.

    In context

    The process to enamel the dial of a luxury watch requires extreme precision to ensure the surface remains perfectly level and free of bubbles.

Repeated vomiting associated with some eating disorders can erode tooth enamel , while higher sugar consumption is associated with greater tooth decay .

Phys.org· 4 Sept 2026

The pockets are stretched out, some are torn, and it’s permanently stained with old oil-based enamel that will not come off.

The Guardian· 21 Aug 2026

Etymology 1

From Middle English enamel, from Anglo-Norman enamailler, from en- (“in-”) + amailler (“to enamel”), variant of Old French esmailler (“to enamel”), from esmal (“enamel”), from Early Medieval Latin smaltum, from Frankish smalt, from Proto-Germanic smeltaną (“to melt, smelt”).

Etymology 2

From Middle English enamelen, from the noun (see above).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin gem-pro *smeltaną
Level C1 · Advanced
Frequency Frequent
Updated