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1. Dictionary

   Stra·tum

   /ˈstrādəm/

   

   noun

   • 1. a layer or a series of layers of rock in the ground: "a stratum of flint" Similar layerveinseamlodebedstratificationthicknesssheetlamina
   • ▪ a thin layer within any structure: "thin strata of air"
   • 2. a level or class to which people are assigned according to their social status, education, or income: "members of other social strata" Similar levelclassechelonrankgradestationgradationgroupsetbracketcastearchaic:estatesphere
   • ▪ a group into which members of a population are divided in stratified sampling: "allocation of sample units to strata"

   Word Origin late 16th century (in the sense ‘layer or coat of a substance’): modern Latin, from Latin, literally ‘something spread or laid down’, neuter past participle of sternere ‘strew’.

   Scrabble Points: 9

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2. en.wiktionary.org › wiki › stratumstratum - Wiktionary, the free dictionary

   en.wiktionary.org › wiki › stratum

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   Apr 27, 2024 · Any of the regions of the atmosphere, such as the stratosphere, that occur as layers. ( biology) A layer of tissue. A class of society composed of people with similar social, cultural, or economic status. ( ecology) A layer of vegetation, usually of similar height.

3. www.britannica.com › science › stratum-geologyStratum | Rock Layers, Stratification & Sedimentary Rocks

   www.britannica.com › science › stratum-geology

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   Stratum, sedimentary rock layer bounded by two stratification planes, the latter being produced by visible changes in the grain size, texture, or other diagnostic features of the rocks above and below the plane.

4. www.merriam-webster.com › thesaurus › stratumSTRATUM Synonyms: 40 Similar Words - Merriam-Webster

   www.merriam-webster.com › thesaurus › stratum

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   noun. Definition of stratum. 1. as in class. one of the segments of society into which people are grouped the lower strata of society have been hit especially hard by this economic downturn. Synonyms & Similar Words. Relevance. class. level. caste. echelon. rank. gentry. folk. layer. estate. order. tier. bracket. stratification. hierarchy. status.

5. www.wordsmyth.netstratum | Dictionaries and vocabulary tools for English language...

   www.wordsmyth.net

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   definition 2: a layer of material of similar composition, depth, temperature, or the like, as in a geological formation or the earth's atmosphere. The troposphere is the innermost stratum of the earth's atmosphere.

6. geologybase.com › stratumUnderstanding Stratum in Geology, Including Types and Examples

   geologybase.com › stratum

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   Feb 21, 2023 · In geology and related studies, a stratum (plural strata) is defined as a sediment or rock layer with certain lithologic properties (texture, color, grain size, composition, etc.) distinctive from adjacent layers, separated by visible surface (bedding surface or plane).

7. dictionary.cambridge.org › us › thesaurusSTRATUM - 79 Synonyms and Antonyms - Cambridge English

   dictionary.cambridge.org › us › thesaurus

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   noun. These are words and phrases related to stratum. Click on any word or phrase to go to its thesaurus page. Or, go to the definition of stratum. LAYER. Synonyms. layer. thickness. fold. lap. plate. leaf. sheet. coat. seam. tier. slab. stage. zone. level. story. bed. ply. lamina. scale. PLY. Synonyms. ply. layer. thickness. sheet. plate. leaf.

8. www.dictionary.com › e › word-of-the-dayWord of the Day - irenic | Dictionary.com

   www.dictionary.com › e › word-of-the-day

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   2 days ago · tending to make oneself or one's actions inconspicuous, especially because of humility or timidity; modest. Comes from the noun self-effacement, which was first recorded in 1865–70. Efface, meaning “to wipe out,” comes from the Middle French word effacer, dating back to 1480–90. Self was first recorded before 900.