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White Trainers Bianco Women's Cinzia Araia noun, plural Bianco Trainers Cinzia Women's Araia White stra·ta [strey-tuh, strat-uh] /ˈstreɪ tə, ˈstræt ə/, stra·tums.
  1. a layer of material, naturally or artificially formed, often one of a number of parallel layers one upon another: a stratum of ancientWomens Sandals 28 Tozzi 28711 Marco 2 Brown qXxzwtItP foundations.
  2. one of a number of portions or divisions likened to layers or levels: an allegory with many824 Marco Loafers Navy Blue 24205 Tozzi Metallic Women’s C0qnt160 strata of meaning.
  3. Geology. a single bed of sedimentary rock, generally consisting of one kind of matter representing continuous deposition.
  4. Biology. a layer of tissue; lamella.
  5. Ecology. (in a plant community) a layer of vegetation, usually of the same or similar height.
  6. a layer of Cinzia Bianco White Araia Trainers Women's the ocean or the atmosphere distinguished by natural or arbitrary limits.
  7. Sociology. a level or grade of a people or population with reference to social position, education, etc.: the lowest stratum of society.
  8. Linguistics. (in stratificational grammar) a major subdivision of linguistic structure.Compare level(def 17).
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Origin of stratum

1590–1600; < LatinSilber Slippers Silver Women’s Tozzi 946 Struct Marco Pewter 24603 wPpx1XX strātum literally, a cover, noun use of neuter of strātus, past participle of sternere to spread, strew, equivalent to strā- variant stem + -tus past participle suffix
Related forms stra·tous, adjective25201 Grey Sneakers Tozzi Marco 213 Top Quartz Grau Com Antic Hi Women’s SYx54n4qf

Usage note

Strata, historically the plural of stratum, is occasionally used as a singular: The lowest economic strata consists of the permanently unemployable. Less frequently, a plural stratas occurs: Several stratas of settlement can be seen in the excavation. At present, these uses are not well established, and they are condemned in usage guides. Strata may eventually become part of a group of borrowed plurals that are now used as singulars in English, such as agenda and candelabra, but it is not yet in that category. See also HEEL Style Suede SIZE A POINTED PROM STILETTO Coral HIGH PLATFORM WOMENS Faux SHOES COURT LADIES PUMPS HtZqPS, slippers 2 design women's Silber Italian slipper 11 Ptn7xq0, media, phenomenon.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


Examples from the Web for stratum

Contemporary Examples

  • But their young deputies and ministerial director generals tended to be from this recently-returned, Western-educated stratum.

    A Ray of Light in Islamist Gloom

    Benny Morris

    July 17, 2012

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Historical Examples


Bianco Trainers Cinzia Araia Women's White British Dictionary definitions for stratum

stratum

noun plural -ta (-tə) or -tums
  1. (usually plural) any of the distinct layers into which sedimentary rocks are divided
  2. biology a single layer of tissue or cells
  3. a layer of any material, esp one of several parallel layers
  4. a layer of ocean or atmosphere either naturally or arbitrarily demarcated
  5. a level of a social hierarchy that is distinguished according to such criteriaBimba 181BZ1512 Lola y Cork Women's Leather Sandal pgzAwqp as educational achievement or caste status
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Women's White Trainers Araia Cinzia Bianco Derived Forms stratal, adjective

Word Origin

Cinzia White Araia Bianco Women's Trainers C16: via New Latin from Latin: something strewn, from sternere to scatter
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for stratum

n.

"horizontal layer," 1590s, from Modern Latin stratum, special use of Latin stratum "thing spread out, coverlet, pavement," from neuter past participle of sternere "to spread out, Araia Women's White Trainers Cinzia Bianco lay down, stretch out," from PIE *stre-to- "to stretch, extend," from root *stere- "to spread, extend, stretch out" (see Boots Female Tip With Shoes Heeled Gray Buckle 38 Zipper yalanshop Thick Satin Martin High BxqwtvBPnS (n.)).

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Online Etymology Dictionary, © 2010 Douglas Harper

stratum in Medicine

stratum

(strātəm, strătəm)
n. pl. stra•tums
  1. A horizontal layer of material, especially one of several parallel layers arranged one on Cinzia Women's Trainers Bianco Araia White top of another.
  2. Any of the Cinzia Women's Trainers Araia Bianco White layers of differentiated tissue forming an anatomical structure.
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Related forms stratal (-təlShoes Lola y 181BZ0902 Court Women's Bimba Elastic ZUFf6Xq) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

stratum in Science

stratum

[strātəm, strătəm]
Plural strata stratums
  1. A layer of sedimentary rock whose composition is more or less the same throughout and that is visibly different from the rock layers above and below it.y 181BZ2611 Flop Print Bimba Women's flip Lola Zq1FUwC
  2. A layer of tissue, as of Women's Bianco Trainers Araia Cinzia White the skin or another White Women's Bianco Trainers Cinzia Araia organ.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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