Limescale

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A white, chalky deposit of calcium carbonate found in kettles, washing machines etc., especially in a hard water area. uncountable

Example

More examples

"Limescale deposits can build up in water mains pipes."

Etymology

From lime + scale.

Related phrases

calcium carbonatehard waterwashing machine

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.