Case harden
Harden and case harden are semantically related. In some cases you can use "Harden" instead a verb phrase "Case harden".
Harden
Harden verb - To become physically firm or solid.
Case harden and harden are semantically related. Sometimes you can replace phrase "Case harden" with "Harden", this terms are similar.
Cite this Source
Harden and Case harden. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/case_harden/harden
Case harden & Harden. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/case_harden/harden>.
Harden or Case harden. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/case_harden/harden.
Google Ngram Viewer shows how "case harden" and "harden" have occurred on timeline