Outer layer
Outer part and outer layer are semantically related. In some cases you can use "Outer part" instead a noun phrase "Outer layer".
Outer part
Outer layer and outer part are semantically related. You can use "Outer layer" instead a noun phrase "Outer part".
Cite this Source
Outer part and Outer layer. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/outer_layer/outer_part
Outer layer & Outer part. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/outer_layer/outer_part>.
Outer part or Outer layer. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/outer_layer/outer_part.
Google Ngram Viewer shows how "outer layer" and "outer part" have occurred on timeline