strongroom
nounEtymology strong + room
1
A strongly built room or vault where valuables may be safely stored.
- All of Sellafield is in a holding pattern, trying to keep waste safe until it can be consigned to the ultimate strongroom: the geological disposal facility (GDF), bored hundreds of metres into the Earth’s rock, a project that could cost another £53bn.December 15 2022, Samanth Subramanian, “Dismantling Sellafield: the epic task of shutting down a nuclear site”, in The Guardian: