51Թ

Advertisement

Advertisement

View synonyms for

stratum

[ strey-tuhm, strat-uhm ]

noun

plural strata stratums.
  1. a layer of material, naturally or artificially formed, often one of a number of parallel layers one upon another:

    a stratum of ancient foundations.

  2. one of a number of portions or divisions likened to layers or levels:

    an allegory with many strata of meaning.

  3. Geology. a single bed of sedimentary rock, generally consisting of one kind of matter representing continuous deposition.
  4. Biology. a layer of tissue; lamella.
  5. Ecology. (in a plant community) a layer of vegetation, usually of the same or similar height.
  6. a layer of the ocean or the atmosphere distinguished by natural or arbitrary limits.
  7. Sociology. a level or grade of a people or population with reference to social position, education, etc.:

    the lowest stratum of society.

  8. Linguistics. (in stratificational grammar) a major subdivision of linguistic structure. Compare level ( def 17 ).


stratum

/ ˈٰɑːə /

noun

  1. usually plural any of the distinct layers into which sedimentary rocks are divided
  2. biology a single layer of tissue or cells
  3. a layer of any material, esp one of several parallel layers
  4. a layer of ocean or atmosphere either naturally or arbitrarily demarcated
  5. a level of a social hierarchy that is distinguished according to such criteria as educational achievement or caste status
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

stratum

/ ٰə,ٰăə /

, Plural strata

  1. 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.
  2. A layer of tissue, as of the skin or another organ.
Discover More

Usage Note

Strata, historically the plural of stratum, is occasionally used as a singular: The lowest economic strata consists of the permanently unemployable. Less frequently, a plural stratas occurs: Several stratas of settlement can be seen in the excavation. At present, these uses are not well established, and they are condemned in usage guides. Strata may eventually become part of a group of borrowed plurals that are now used as singulars in English, such as agenda and candelabra, but it is not yet in that category. agenda, criterion, media, phenomena.
Discover More

Derived Forms

  • ˈٰٲ, adjective
Discover More

Other 51Թ Forms

  • ٰtdzܲ adjective
Discover More

51Թ History and Origins

Origin of stratum1

1590–1600; < Latin ٰtum literally, a cover, noun use of neuter of ٰtus, past participle of sternere to spread, strew, equivalent to ٰ- variant stem + -tus past participle suffix
Discover More

51Թ History and Origins

Origin of stratum1

C16: via New Latin from Latin: something strewn, from sternere to scatter
Discover More

Example Sentences

Examples have not been reviewed.

They seemed unbeatable — until good people from all strata of society rose up.

From

Simply put, only a certain stratum of Americans prioritize learning about politics.

From

For one, the migrants are not from the lowest economic strata.

From

According to exit polls, the only economic stratum that Harris clearly won was people with household incomes above $100,000.

From

But that is the brutal nature of professional golf in the strata below those chasing major titles and Ryder Cup berths.

From

Advertisement

Advertisement

Advertisement

Advertisement