| Meaning | material consisting of the aggregate of minerals like those making up the Earth's crust. |
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| Example | "that mountain is solid rock" |
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| Synonym | stone |
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| Narrower | aphanite | fine-grained homogeneous rock (such as basalt) containing minerals undetectable by the naked eye |
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| caliche | nitrate-bearing rock or gravel of the sodium nitrate deposits of Chile and Peru |
| claystone | fine-grained rock consisting of compacted clay particles |
| dolomite | A kind of sedimentary rock resembling marble or limestone but rich in magnesium carbonate |
| emery stone, emery rock | A mixture of emery dust and a binder |
| fieldstone | stone that occurs naturally in fields / fields |
| gravel, crushed rock | rock fragments and pebbles |
| greisen | A granitic rock composed of quartz and mica |
| igneous rock | rock formed by the solidification of molten magma |
| limestone | A sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals |
| magma | molten rock in the earth's crust |
| marble | A hard crystalline metamorphic rock that takes a high polish |
| matrix | (geology) amass of fine-grained rock in which fossils, crystals, or gems are embedded |
| metamorphic rock | rock altered by pressure / pressure and heat / heat |
| pudding stone, conglomerate | A composite rock made up of particles of varying size |
| pumice, pumice stone | A light glass formed on the surface of some lavas |
| quartzite | Hard metamorphic rock consisting essentially of interlocking quartz crystals |
| road metal | broken rock used for repairing or making roads |
| sedimentary rock | rock formed from consolidated clay sediments |
| shingling | (geology) sediment in which flat pebbles are uniformly tilted in the same direction |
| sial | The granitelike rocks that form the outermost layer of the earth's crust |
| sima | rock that form the continuous lower layer of the earth's crust |
| tufa, calc-tufa | A soft porous rock consisting of calcium carbonate deposited from springs rich in lime |
| Broader | material, stuff | The tangible / tangible substance that goes into the makeup of a physical object |
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| Substances | mineral | Solid homogeneous inorganic substances occurring in nature having a definite chemical composition |
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| Spanish | piedra, roca, rocas |
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| Catalan | pedra, quer, roca, roc |
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| Adjectives | rupestral, rupicolous | composed of or inscribed on rock |
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