geology
English Thesaurus
1. a science that deals with the history of the earth as recorded in rocks (noun.cognition)
| hypernym | : | earth science, |
| definition | : | any of the sciences that deal with the earth or its parts (noun.cognition) |
| hyponym | : | hypsography, |
| definition | : | the scientific study of the earth's configuration above sea level (emphasizing the measurement of land altitudes relative to sea level) (noun.cognition) |
| hyponym | : | palaeogeology, paleogeology, |
| definition | : | the study of geologic features once at the surface of the earth but now buried beneath rocks (noun.cognition) |
| hyponym | : | orography, orology, |
| definition | : | the science of mountains (noun.cognition) |
| hyponym | : | stratigraphy, |
| definition | : | the branch of geology that studies the arrangement and succession of strata (noun.cognition) |
| hyponym | : | mineralogy, |
| definition | : | the branch of geology that studies minerals: their structure and properties and the ways of distinguishing them (noun.cognition) |
| hyponym | : | economic geology, |
| definition | : | the branch of geology that deals with economically valuable geological materials (noun.cognition) |
| domain member category | : | exceedance, |
| definition | : | (geology) the probability that an earthquake will generate a level of ground motion that exceeds a specified reference level during a given exposure time (noun.attribute) |
| domain member category | : | heave, |
| definition | : | (geology) a horizontal dislocation (noun.event) |
| domain member category | : | upheaval, uplift, upthrow, upthrust, |
| definition | : | (geology) a rise of land to a higher elevation (as in the process of mountain building) (noun.event) |
| domain member category | : | slide, |
| definition | : | (geology) the descent of a large mass of earth or rocks or snow etc. (noun.event) |
| domain member category | : | fault line, |
| definition | : | (geology) line determined by the intersection of a geological fault and the earth's surface (noun.location) |
| domain member category | : | bed, |
| definition | : | (geology) a stratum of rock (especially sedimentary rock) (noun.object) |
| domain member category | : | clast, |
| definition | : | (geology) a constituent fragment of a clastic rock (noun.object) |
| domain member category | : | clastic rock, |
| definition | : | (geology) a rock composed of broken pieces of older rocks (noun.object) |
| domain member category | : | diapir, |
| definition | : | a domed rock formation where a core of rock has moved upward and pierced through the more brittle overlying strata (noun.object) |
| domain member category | : | esker, |
| definition | : | (geology) a long winding ridge of post glacial gravel and other sediment; deposited by meltwater from glaciers or ice sheets (noun.object) |
| domain member category | : | great rift valley, |
| definition | : | ( geology) a depression in southwestern Asia and eastern Africa; extends from the valley of the Jordan River to Mozambique; marked by geological faults (noun.object) |
| domain member category | : | kettle, kettle hole, |
| definition | : | (geology) a hollow (typically filled by a lake) that results from the melting of a mass of ice trapped in glacial deposits (noun.object) |
| domain member category | : | moho, mohorovicic discontinuity, |
| definition | : | the boundary between the Earth's crust and the underlying mantle (noun.object) |
| domain member category | : | peneplain, peneplane, |
| definition | : | a more or less level land surface representing an advanced stage of erosion undisturbed by crustal movements (noun.object) |
| domain member category | : | scablands, |
| definition | : | (geology) flat elevated land with poor soil and little vegetation that is scarred by dry channels of glacial origin (especially in eastern Washington) (noun.object) |
| domain member category | : | sill, |
| definition | : | (geology) a flat (usually horizontal) mass of igneous rock between two layers of older sedimentary rock (noun.object) |
| domain member category | : | xenolith, |
| definition | : | (geology) a piece of rock of different origin from the igneous rock in which it is embedded (noun.object) |
| domain member category | : | geological phenomenon, |
| definition | : | a natural phenomenon involving the structure or composition of the earth (noun.phenomenon) |
| domain member category | : | accretion, |
| definition | : | (geology) an increase in land resulting from alluvial deposits or waterborne sediment (noun.process) |
| domain member category | : | foliation, |
| definition | : | (geology) the arrangement of leaflike layers in a rock (noun.process) |
| domain member category | : | deflation, |
| definition | : | (geology) the erosion of soil as a consequence of sand and dust and loose rocks being removed by the wind (noun.process) |
| domain member category | : | saltation, |
| definition | : | (geology) the leaping movement of sand or soil particles as they are transported in a fluid medium over an uneven surface (noun.process) |
| domain member category | : | superposition, |
| definition | : | (geology) the deposition of one geological stratum on another (noun.process) |
| domain member category | : | mercalli scale, |
| definition | : | a scale formerly used to describe the magnitude of an earthquake; an earthquake detected only by seismographs is a I and an earthquake that destroys all buildings is a XII (noun.linkdef) |
| domain member category | : | richter scale, |
| definition | : | a logarithmic scale of 1 to 10 formerly used to express the magnitude of an earthquake on the basis of the size of seismograph oscillations (noun.linkdef) |
| domain member category | : | moment magnitude scale, |
| definition | : | a logarithmic scale of 1 to 10 (a successor to the Richter scale) that enables seismologists to compare the energy released by different earthquakes on the basis of the area of the geological fault that ruptured in the quake (noun.linkdef) |
| domain member category | : | hoodoo, |
| definition | : | (geology) a column of weathered and unusually shaped rock (noun.shape) |
| domain member category | : | isostasy, |
| definition | : | (geology) a general equilibrium of the forces tending to elevate or depress the earth's crust (noun.state) |
| domain member category | : | shingling, |
| definition | : | (geology) sediment in which flat pebbles are uniformly tilted in the same direction (noun.substance) |
| domain member category | : | groundmass, |
| definition | : | (geology) the matrix of fine-grained crystalline material in which larger crystals are embedded (noun.substance) |
| domain member category | : | matrix, |
| definition | : | (geology) amass of fine-grained rock in which fossils, crystals, or gems are embedded (noun.substance) |
| domain member category | : | interstratify, |
| definition | : | arrange rocks in alternating strata (verb.change) |
| domain member category | : | stratify, |
| definition | : | form layers or strata (verb.change) |
| domain member category | : | thrust, |
| definition | : | force (molten rock) into pre-existing rock (verb.stative) |
| domain member category | : | anaclinal, |
| definition | : | of valleys and rivers; progressing in a direction opposite to the dip in surrounding rock strata (adj.all) |
| domain member category | : | cataclinal, |
| definition | : | of valleys and rivers; running in the direction of the dip in surrounding rock strata (adj.all) |
| domain member category | : | anticlinal, |
| definition | : | sloping downward away from a common crest (adj.all) |
| domain member category | : | synclinal, |
| definition | : | sloping downward toward each other to create a trough (adj.all) |
| domain member category | : | bedded, stratified, |
| definition | : | deposited or arranged in horizontal layers (adj.all) |
| domain member category | : | unstratified, |
| definition | : | not deposited in layers (adj.all) |
| domain member category | : | archaean, archean, |
| definition | : | of or relating to the earliest known rocks formed during the Precambrian Eon (adj.all) |
| domain member category | : | archaeozoic, archeozoic, |
| definition | : | of or belonging to earlier of two divisions of the Precambrian era (adj.all) |
| domain member category | : | azoic, |
| definition | : | before the appearance of life (adj.all) |
| domain member category | : | proterozoic, |
| definition | : | formed in the later of two divisions of the Precambrian era (adj.all) |
| domain member category | : | monoclinal, |
| definition | : | of a geological structure in which all strata are inclined in the same direction (adj.all) |
| domain member category | : | endogenetic, endogenic, |
| definition | : | of rocks formed or occurring beneath the surface of the earth (adj.all) |
| domain member category | : | clastic, |
| definition | : | of or belonging to or being a rock composed of fragments of older rocks (e.g., conglomerates or sandstone) (adj.all) |
| domain member category | : | eruptive, igneous, |
| definition | : | produced by the action of fire or intense heat (adj.all) |
| domain member category | : | aqueous, sedimentary, |
| definition | : | produced by the action of water (adj.all) |
| domain member category | : | intrusive, |
| definition | : | of rock material; forced while molten into cracks between layers of other rock (adj.all) |
| domain member category | : | extrusive, |
| definition | : | of rock material; forced out while molten through cracks in the earth's surface (adj.all) |
| domain member category | : | changed, |
| definition | : | changed in constitution or structure or composition by metamorphism (adj.all) |
| domain member category | : | incumbent, |
| definition | : | lying or leaning on something else (adj.all) |
| domain member category | : | tectonic, |
| definition | : | pertaining to the structure or movement of the earth's crust (adj.pert) |
| derivation | : | geologist, |
| definition | : | a specialist in geology (noun.person) |
| derivation | : | geologic, geological, |
| definition | : | of or relating to or based on geology (adj.pert) |
| derivation | : | geologist, |
| definition | : | a specialist in geology (noun.person) |
| derivation | : | geologic, geological, |
| definition | : | of or relating to or based on geology (adj.pert) |
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