Concave container
Hollow and concave container are semantically related. In some cases you can use "Hollow" instead a noun phrase "Concave container".
Hollow
Hollow noun - A sunken area forming a separate space.
Concave container and hollow are semantically related. Sometimes you can use "Concave container" instead a noun "Hollow".
Cite this Source
Hollow and Concave container. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/concave_container/hollow
Concave container & Hollow. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/concave_container/hollow>.
Hollow or Concave container. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/concave_container/hollow.
Google Ngram Viewer shows how "concave container" and "hollow" have occurred on timeline