saltstone en · NOUN
Etymology
From Middle English saltstone, salteston, salt stan, from Old English sealtstān (“rock salt, niter”), from Proto-West Germanic *saltastain, equivalent to salt + stone.
Meanings
-
(countable, uncountable) 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:
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| saltstones | Number=Plur | lexicographic | |
| salt stone | alternative | lexicographic |