Crust
Casing
Casing noun - Something that encloses another thing especially to protect it.
Usage example: the egg of this bird has an unusually hard casing
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Synonyms for Casing
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Casing and Crust. (2016). Retrieved 2026, August 11, from https://thesaurus.plus/related/crust/casing
Crust & Casing. N.p., 2016. Web. 11 Aug. 2026. <https://thesaurus.plus/related/crust/casing>.
Casing or Crust. 2016. Accessed August 11, 2026. https://thesaurus.plus/related/crust/casing.
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