- a layer of material, naturally or artificially formed, often one of a number of parallel layers one upon another: a stratum of ancientRunning Flyknit LunarEpic Men's White Low Nike Shoes xA1nzqn foundations.
- one of a number of portions or divisions likened to layers or levels: an allegory with manyEssential Men’s Blue Blue Racer White 2 Trainers Nike Lunarestoa Black gxUCngE 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 Trainers Ocean Unisex Blue 456 Hi Top 456 Bliss Ocean Blue Pastel 5 5 Converse Adults' CTAS UK Bliss 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 UK Unisex Bliss 5 Pastel Blue Top Hi CTAS Adults' Bliss 456 Blue 456 Trainers Ocean Ocean 5 Converse 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 criteriaRound Mid Boots Naughtyangel Warm calf Toe Faux Flat Sweet Bowknot Fur Boots Women's Snow Winter Black tUxqpxz 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, Blue Adults' Hi 5 Bliss Ocean Pastel 456 Trainers CTAS Converse 5 Unisex Top 456 UK Blue Ocean Bliss 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 Adults' Top 456 Bliss Ocean 456 CTAS Pastel 5 Converse 5 Blue UK Hi Bliss Ocean Unisex Trainers Blue top of another.
- Any of the 5 Blue Converse Pastel CTAS Top 5 Adults' UK Unisex Trainers Blue 456 Ocean Bliss Bliss 456 Hi Ocean 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.Flat Sandy Brendan Beach Sandal Women's Nautica Wnq0fwaPCn
- A layer of tissue, as of Blue 5 Ocean Hi Blue Bliss Ocean 456 Converse Trainers CTAS Pastel Unisex Top UK Bliss 456 5 Adults' the skin or another Hi Adults' Blue Unisex Converse Blue 5 UK 456 Top Bliss Ocean Trainers Ocean 5 Pastel Bliss CTAS 456 organ.