saltstone
nounEtymology From Middle English saltstone, salteston, salt stan, from Old English sealtstān (“rock salt, niter”), from Proto-West Germanic *saltastain, equivalent to salt + stone.
1
Geography, Geology, Natural sciences Salt 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 Legacy:
- 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:
- Related terms
- rock salt