Base
Base noun - An immaterial thing upon which something else rests.
Rock layer and base are semantically related. In some cases you can use "Rock layer" instead a noun "Base".
Rock layer
Base and rock layer are semantically related. You can use "Base" instead a noun phrase "Rock layer".
Mutual synonyms
Cite this Source
Rock layer and Base. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/base/rock_layer
Base & Rock layer. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/base/rock_layer>.
Rock layer or Base. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/base/rock_layer.
Google Ngram Viewer shows how "base" and "rock layer" have occurred on timeline