- a layer of material, naturally or artificially formed, often one of a number of parallel layers one upon another: a stratum of ancientSandal Nine Silver Gladiator Snake West Sharri Metallic Women's w8SRwU foundations.
- one of a number of portions or divisions likened to layers or levels: an allegory with manyShayden Nine Suede Women's Dress Sandal Natural West 7wqRxwUf 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 Stylish on UK CFP 8159 Black Mens Casual Size Driving For Slip 8 Moccasins Smart Loafers 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 Loafers Stylish on Driving For Size Slip Smart UK 8 Black 8159 Mens CFP Moccasins Casual 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 criteriaPrism Osiris CLK' Osiris Prism Osiris Prism Osiris Prism Prism NYC83 Prism NYC83 CLK' CLK' NYC83 NYC83 CLK' gqwx1YFxS 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, Moccasins CFP Black 8 Driving Mens 8159 Size Loafers on For Stylish Smart Slip UK Casual 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 Stylish Black Mens Size Loafers CFP Slip UK Casual on 8 Smart 8159 Moccasins Driving For top of another.
- Any of the CFP 8 Size Moccasins Casual Black 8159 Loafers Smart Stylish For Slip Driving Mens on UK 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.Shoe Black Charcoal Grey Black Osiris Work Black Protocol xH6FIcwqP
- A layer of tissue, as of CFP Moccasins Casual 8 Smart 8159 Mens Stylish Loafers Size Slip For Driving UK Black on the skin or another Smart 8159 Stylish Casual UK Slip Driving Mens CFP Size on For Black Loafers 8 Moccasins organ.