red stone
/ˈrɛd ˌstəʊn/noun
1 Alchemy. The red form of the philosopher's stone. Now historical.
2Now usually in form redstone. Any of various rocks of a red colour, especially a sandstone or other reddish sedimentary rock suitable for use as a building stone.
Origin
Old English (in an earlier sense). From red + stone.
- ripple pony cloth
- rippler
- ripple sole
- ripple-soled
- ripple stitch
- ripplet
- ripple-through
- ripple-through counter
- ripple ware
- rippling comb
- rippling machine
- ripply
- riprap
- ripresa
- rip-roaring
- rip-roaringly
- riproarious
- riproariously
- riprorious
- ripsaw
- ripsawing
- ripsnort
- ripsnorter
- ripsnorting
- ripsnortingly