earth stratum

См. также в других словарях:

• Stratum — Stra tum, n.; pl. E. {Stratums}, L. {Strata}. The latter is more common. [L., from sternere, stratum, to spread; akin to Gr. ? to spread, strew. See {Strew}, and cf. {Consternation}, {Estrade}, {Prostrate}, {Stratus}, {Street}.] 1. (Geol.) A bed… …   The Collaborative International Dictionary of English

• stratum — is normally pronounced strah tǝm, and has the plural form strata. The use of strata as a singular noun (with a plural stratas) is erroneous: • ☒ The earth s crust contains stratas of hot, dry rock and natural aquifers C. Wheater et al., 1990 …   Modern English usage

• Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …   Universalium

• stratum — noun (plural strata) Etymology: New Latin, from Latin, spread, bed, from neuter of stratus, past participle of sternere to spread out more at strew Date: 1599 1. a bed or layer artificially made 2. a. a sheetlike mass of sedimentary rock or earth …   New Collegiate Dictionary

• earth — /errth/, n. 1. (often cap.) the planet third in order from the sun, having an equatorial diameter of 7926 mi. (12,755 km) and a polar diameter of 7900 mi. (12,714 km), a mean distance from the sun of 92.9 million mi. (149.6 million km), and a… …   Universalium

• Earth, geologic history of — Introduction       evolution of the continents, oceans, atmosphere, and biosphere. The layers of rock at the Earth s surface contain evidence of the evolutionary processes undergone by these components of the terrestrial environment during the… …   Universalium

• Stratum — In geology and related fields, a stratum (plural: strata ) is a layer of rock or soil with internally consistent characteristics that distinguishes it from contiguous layers. Each layer is generally one of a number of parallel layers that lie one …   Wikipedia

• stratum — n.; pl. ta [L. stratum, a cover] 1. A layer of tissue or cells that compose an organ. 2. A group of organisms inhabiting a particular geographical area. 3. A layer of vegetation, usually at the same stage of development. 4. A layer of sedimentary …   Dictionary of invertebrate zoology

• stratum — stra|tum [ˈstra:təm US ˈstreı ] n plural strata [ tə] [Date: 1500 1600; : Modern Latin; Origin: Latin, something spread, bed , from sternere to spread out ] 1.) a layer of rock or earth 2.) a social class in a society ▪ people of different social …   Dictionary of contemporary English

• stratum — noun plural strata, (C) 1 a layer of rock of a particular kind, especially one with different layers above and below it 2 a layer of earth, such as one where tools, bones etc from an ancient civilization are found by digging 3 a social class in a …   Longman dictionary of contemporary English

• stratum —   n. (pl. ta) layer, especially of earth s crust.    ♦ stratose, a. in strata.    ♦ stratous, a. in strata; like stratus …   Dictionary of difficult words