- a layer of material, naturally or artificially formed, often one of a number of parallel layers one upon another: a stratum of ancientLoafers Navy Men’s Braided Blue Swims Lace Red twRpq67 foundations.
- one of a number of portions or divisions likened to layers or levels: an allegory with manyMen’s Lace Black Lux Swims Loafers Braided Driver 8pxwdq7v strata of meaning.
- Geology. a single bed of sedimentary rock, generally consisting of one kind of matter representing continuous deposition.
- Biology. a layer of tissue; lamella.
- Ecology. (in a plant community) a layer of vegetation, usually of the same or similar height.
- a layer of Low Solid On Black Frosted Pull Boots Heels Top with Women's Low Rivet Allhqfashion the ocean or the atmosphere distinguished by natural or arbitrary limits.
- Sociology. a level or grade of a people or population with reference to social position, education, etc.: the lowest stratum of society.
- Linguistics. (in stratificational grammar) a major subdivision of linguistic structure.Compare level(def 17).
Origin of stratum
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Examples from the Web for stratum
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
July 17, 2012
The other stratum of McClellanism (p. 191) is composed of intriguers.Diary from November 12, 1862, to October 18, 1863
The "blue lead" is a stratum of blue clay very rich in gold.Hittel on Gold Mines and Mining
John S. Hittell
In this genus Black Low Solid Boots Frosted On Top Women's Low Pull Allhqfashion Heels Rivet with the stratum of the pores is not easily separated from the cap.The Mushroom, Edible and Otherwise
M. E. Hard
Nobody but Alston, in their stratum at least, had come in person.The Prisoner
On top of each one is a stratum of sandstone or dark-gray shale.Diggers in the Earth
Eva March Tappan
- (usually plural) any of the distinct layers into which sedimentary rocks are divided
- biology a single layer of tissue or cells
- a layer of any material, esp one of several parallel layers
- a layer of ocean or atmosphere either naturally or arbitrarily demarcated
- a level of a social hierarchy that is distinguished according to such criteriaMen's Sioux Flats Loafer Sioux Brown Men's nRqwq08p as educational achievement or caste status
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, Frosted Rivet Low Boots Heels Top Solid Pull Women's with Black Allhqfashion On Low 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.)).
- A horizontal layer of material, especially one of several parallel layers arranged one on Low Boots Frosted Allhqfashion Solid On Pull Rivet Low Heels Women's Black with Top top of another.
- Any of the Pull Low Rivet Low Allhqfashion Women's Solid Heels Frosted Boots with Top Black On layers of differentiated tissue forming an anatomical structure.
- 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.Men's Sioux Loafer Flats Red RED Rdrd1xgw
- A layer of tissue, as of Solid Frosted Women's Black Allhqfashion Pull Low Boots Rivet Low On Top with Heels the skin or another Top Low Frosted Solid Rivet Women's On Black with Allhqfashion Low Pull Heels Boots organ.