Meanings
plural saltstones · alternative salt stone
- countableuncountablegeographySalt that has accumulated and hardened into a rocklike consistency.
The amount of saltstone to be produced at Savannah River is very large, about 3 million tons over 28 years; […]
1991, Long-lived Legacy1 more example
Salt waste in the tanks at SRS is to be processed and the resulting LAW incorporated into a grout called saltstone; […]
2009, Advice on the Department of Energy's Cleanup Technology
Origin
- Proto-West Germanic*saltastain
- Old Englishsealtstān“rock salt, niter”
- Middle Englishsaltstone
- Englishsaltstone
From Middle English saltstone, salteston, salt stan, from Old English sealtstān (“rock salt, niter”), from Proto-West Germanic *saltastain, equivalent to salt + stone.
More words from Middle English, Old English, Proto-West Germanic
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Cite this entry
saltstone. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/saltstone
“saltstone.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/saltstone. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “saltstone,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/saltstone.
Source: saltstone on Wiktionary, CC BY-SA 4.0.