🇬🇧 en fr 🇫🇷

limestone noun

  /ˈlaɪmˌstoʊn/ , /ˈlaɪmˌstəʊn/
  • An abundant rock of marine and freshwater sediments; primarily composed of calcite (CaCO3); and occurring in a variety of forms, both crystalline and amorphous.
calcaire, pierre à chaux
Wiktionary Links