| callous(verb, adjective, close, contract, compact) |
| fossilized(verb, adjective, hardened, syrupy, jellied) |
| hardened(verb, adjective, set, firm, solid) |
| petrified(adjective, set, firm, solid, hardened) |
| set(verb, adjective, close, firm, solid) |
| solidified(verb, adjective, set, firm, solid) |
| calcify(verb, close, contract, compact, brace) |
| case-hardened(verb, adjective, calcify, curdled, calloused) |
| concrete(verb, adjective, set, firm, stiff) |
| indurate(verb, adjective, close, set, firm) |
| steeled(adjective, set, firm, solid, hardened) |
| vitrified(verb, adjective, syrupy, jellied, gel) |
| backed |
| caked(verb, adjective, set, firm, solid) |
| calcareous |
| calcification |
| calcified wood |
| caseharden(verb, jellied, gel, calcify, coagulate) |
| casehardened(verb, adjective, jellied, gel, calcify) |
| cemented(adjective, set, firm, solid, hardened) |