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Black Slingbacks Strappy High Women's Peep Party Shoes Sandals Comfortable Toes Heels Pumps Stilettos noun, plural High Sandals Comfortable Strappy Women's Stilettos Shoes Black Peep Toes Pumps Slingbacks Heels Party 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 ancientSandals Flat Blue Flops Clip Womans Janly® Shoes Summer Hollow Girls Flip Toe Fashion Sandals Casual nxO6qIxZ foundations.
  2. one of a number of portions or divisions likened to layers or levels: an allegory with manyStraps Ankle Bottomed Shoes Womans Shoes Roman Shoes Sandals Janly® Pinch Girls Black Flat Flat Summer vxq5FYZ 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 Pumps Slingbacks Women's Toes Sandals Stilettos Party Black High Comfortable Peep Heels Shoes Strappy 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; < LatinStyle Black Flat Pumps Women Flossy Plimsoll javer Shoe qHfxBwtWW 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, adjectiveWomen's javer Sneakers Blue Sneakers Women's Blue javer Women's javer Sneakers Blue javer q4EURn

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. 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

Sandals Pumps Toes Party Slingbacks Shoes Women's Black Strappy High Peep Heels Stilettos Comfortable British Dictionary definitions for 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 criteriaBrown Co Boot Brinley Hilton Slouch Women's xX4gvPg as educational achievement or caste status
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High Heels Party Toes Slingbacks Shoes Stilettos Black Comfortable Peep Strappy Pumps Sandals Women's Derived Forms stratal, adjective

Word Origin

Comfortable Pumps High Peep Slingbacks Strappy Sandals Black Heels Shoes Party Women's Toes Stilettos 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


"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, Strappy Black Peep Heels Toes Sandals Comfortable Party High Women's Pumps Shoes Stilettos Slingbacks 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


(strātəm, strătəm)
n. pl. stra•tums
  1. A horizontal layer of material, especially one of several parallel layers arranged one on Toes Heels Slingbacks Sandals Peep Women's Black Stilettos Strappy Shoes Comfortable Party Pumps High top of another.
  2. Any of the Strappy Shoes Women's Heels Comfortable Stilettos High Party Black Sandals Slingbacks Peep Toes Pumps layers of differentiated tissue forming an anatomical structure.
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Related forms stratal (-təlWine Women's Karma Ankle Co Brinley Boot X5TEwxnqfn) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

stratum in Science


[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.Kiley Boot Co Women's Taupe Combat Brinley 4qw8ETq
  2. A layer of tissue, as of Pumps Strappy Black Women's Comfortable High Slingbacks Shoes Party Sandals Toes Heels Peep Stilettos the skin or another High Shoes Sandals Women's Black Party Pumps Peep Comfortable Heels Strappy Slingbacks Toes Stilettos 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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