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
Shell is a synonym for casing in thing topic. In some cases you can use "Shell" instead a noun "Casing", when it comes to topics like frame, cover, covering, sheath. popular alternative
Shell
Shell noun - Something that encloses another thing especially to protect it.
Usage example: eating oysters straight out of their shells
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Synonyms for Shell
Casing is a synonym for shell in thing topic. You can use "Casing" instead a noun "Shell", if it concerns topics such as frame, pod, sheath, fairing. popular alternative
Mutual synonyms
How words are described
Both words in one sentence
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G3 and early G4 models came in shells with aesthetics similar to iMacs in that they have a rounded, semitransparent shell, later G4s dropped the transparency altogether, and the G5 ditched the plastic casing for an aluminum body, which was brought forward to the Mac Pro era.
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One of the rules is that if you find a spent shell casing with a bull engraved on it, it's a signal to cover up the crime.
Source: Series / Witchblade -
You will then have to quickly learn how to start your engine, load a shell, unload a spent casing and more all by yourself.
Source: Video Game / Steel Battalion
Cite this Source
Shell and Casing. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/casing/shell
Casing & Shell. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/casing/shell>.
Shell or Casing. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/casing/shell.
Google Ngram Viewer shows how "casing" and "shell" have occurred on timeline