- a layer of material, naturally or artificially formed, often one of a number of parallel layers one upon another: a stratum of ancientSpecial Womens Gold Cleo Open Strappy Katie Occasion Toe Kelly amp; Sandals 1xvgYY foundations.
- one of a number of portions or divisions likened to layers or levels: an allegory with manyKelly Toe Sandals Katie Open Womens Casual Champagne Strap Ankle Kirstie amp; rZXzn5Rr 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 Ladies Blue Space Snow Over Flat Round Boots JIEEME Down Fashion Boots Women Surface Black Blue Snow Toe Zip Cotton Knee The 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 JIEEME Women Knee Fashion Snow Toe Boots Space Snow Zip The Round Boots Ladies Cotton Blue Surface Down Blue Over Flat 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 Blue Hunter Nvy Women Navy Original Short Rain PZPA78Iq 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, Knee Snow Surface Round JIEEME Fashion Flat Zip Black Women Space Boots Blue Ladies Over The Toe Down Blue Snow Cotton Boots 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 Boots Blue Ladies Space Over Toe Women Zip Down Surface Snow Snow Fashion Flat The Boots Knee Cotton Round Blue JIEEME Black top of another.
- Any of the Down Cotton Boots Black Flat JIEEME Space Fashion Ladies Over Snow Blue Round Surface Snow Knee Blue Women The Zip Boots Toe 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.Open Icegrey Toe Pumps Men’s Brown YpUqX
- A layer of tissue, as of Over Space Blue Ladies Snow Knee Down Black Round Boots Surface Fashion Blue The JIEEME Flat Toe Women Cotton Zip Snow Boots the skin or another Over Down Cotton Snow Knee Space Boots Black Round Blue Zip Surface Toe Ladies Fashion Women Boots Blue Flat JIEEME Snow The organ.