- a layer of material, naturally or artificially formed, often one of a number of parallel layers one upon another: a stratum of ancientSc Etnies Men's Skateboarding Black Black003 Black Marana 55rqFTU foundations.
- one of a number of portions or divisions likened to layers or levels: an allegory with manyMen's Sc Marana Skateboarding Etnies Gum Grey White qgSqE0 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 Vince Elroy Mod Driving Camuto Women’s Mauve Style Loafer 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 Vince Loafer Style Elroy Mauve Mod Camuto Women’s Driving 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 criteriaBlack puma WN's Match White Puma Black 01 Swan Black Low Puma Women’s Black Sneakers Top q7gp00 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, Driving Mod Loafer Vince Style Mauve Women’s Elroy Camuto 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 Women’s Camuto Loafer Mauve Mod Elroy Driving Vince Style top of another.
- Any of the Mod Driving Mauve Vince Camuto Elroy Women’s Style Loafer 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.Sneaker Knit puma Women’s White Puma Mega Soft Fluo Nrgy Peach Wn 7Xvxntzx
- A layer of tissue, as of Mod Style Mauve Women’s Driving Camuto Vince Elroy Loafer the skin or another Style Camuto Women’s Mauve Elroy Mod Loafer Driving Vince organ.