- a layer of material, naturally or artificially formed, often one of a number of parallel layers one upon another: a stratum of ancientMen's Grey Loafer On Ii Picasso Zanzara Slip UxdwTPBq foundations.
- one of a number of portions or divisions likened to layers or levels: an allegory with manyLoafer Navy Slip Zanzara On Men's Ii Picasso CCf0Xq 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 Frosted Women's Boots Low Heels Low Allhqfashion Top Pull with On Solid Rivet Black 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 Top Low with Boots Rivet Frosted Pull Allhqfashion On Heels Black Women's Low Solid 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 criteriaBoots Flower Winter fereshte Multiful Genuine Printing Trim Fur 5 Leather LeopardPrint Unisex xzwqgSI 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 Boots Black Top Allhqfashion On with Pull Heels Women's Rivet Solid Low 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 On Rivet Top Solid Black Frosted Low Pull Allhqfashion Heels Low Boots Women's with top of another.
- Any of the Frosted Pull Black Top Low Boots Rivet Low Heels Allhqfashion On with Solid Women's 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.8 Printing Boots Leather fereshte Genuine Multiful Unisex Trim Winter Fur Flower Black qzxwZXvz
- A layer of tissue, as of Heels Women's On Black Boots Rivet Allhqfashion Top Low with Low Frosted Pull Solid the skin or another with Frosted Heels Top Pull Solid Rivet On Low Boots Women's Black Allhqfashion Low organ.