Case
Case noun - Something that encloses another thing especially to protect it.
Outer layer and case are semantically related. In some cases you can use "Outer layer" instead a noun "Case".
Outer layer
Case and outer layer are semantically related. Sometimes you can use "Case" instead a noun phrase "Outer layer".
Cite this Source
Outer layer and Case. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/case/outer_layer
Case & Outer layer. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/case/outer_layer>.
Outer layer or Case. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/case/outer_layer.
Google Ngram Viewer shows how "case" and "outer layer" have occurred on timeline