stratum

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stratum

/ˈstɹɑː.təm/ UK
/ˈstɹeɪ.təm/ UK
/ˈstɹeɪ.təm/ US
[ˈstɹeɪ.ɾəm] US
/ˈstɹæt.əm/ US
[ˈstɹæɾ.əm] US
/ˈstɹaː.təm/ Australia

Rhymes with -ɑːtəm, -eɪtəm, -ætəm

Where it comes from

Borrowed from Latin strātum (“a spread for a bed, coverlet, quilt, blanket; a pillow, bolster; a bed”), neuter singular of strātus, perfect passive participle of sternō (“spread”). Doublet of estrade and street.

noun strata · stratums

One of several parallel horizontal layers of material arranged one on top of another. It is built of alternate strata of brick and clay, and the sides correspond to the direction of the meridians and parallels.
Similar: tier
A layer of sedimentary rock having approximately the same composition throughout. An illuminating article in a recent issue of the Eastern Region's Civil Engineering News points out that where coal is worked over a reasonably large area, it is not only the whole of the strata above the workings, but also an area beyond which is liable to subside at varying rates after the coal ha
Similar: bed, layer
Any of the regions of the atmosphere, such as the stratosphere, that occur as layers.
A layer of tissue.
A class of society composed of people with similar social, cultural, or economic status.
A layer of vegetation, usually of similar height.
The level of accuracy of a computer's clock, relative to others on the network. Computers that synchronize themselves to the stratum 1 time servers are known as stratum 2 time servers if they allow others to synchronize to them, and so on.
A historical layer of a language.
Similar: strate

Translations

Every language

noun one of several parallel horizontal layers of material arranged one on top of another

日本語	層 sō
Português	estrato
Français	couche
Ελληνικά	στρώμα stróma
Русский	слой sloj

noun layer of sedimentary rock having approximately the same composition throughout

Español	estrato
日本語	地層 chisō
Português	estrato
Français	strate
Deutsch	Bank
Ελληνικά	στρώμα stróma
Русский	слой sloj

noun any of the regions of the atmosphere

Español	capa
日本語	層 sō
Français	couche
Ελληνικά	στρώμα stróma
Русский	слой sloj

noun layer of tissue

Español	estrato
日本語	層 sō
Français	couche, stratum
Ελληνικά	στρώμα stróma
Русский	слой sloj

noun class of society composed of people with similar social, cultural, or economic status

Español	estrato, estamento
日本語	階級 kaikyū
Português	estrato
Français	classe, couche
Ελληνικά	στρώμα stróma
Русский	слой sloj

noun layer of vegetation

Ελληνικά	στρώμα stróma

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Cite this

MLA

"stratum." Wiktionary, via Micwyn, micwyn.com/word/stratum. Accessed 5 Nov. 2026.

APA

stratum. (n.d.). In Wiktionary, via Micwyn. Retrieved November 5, 2026, from https://micwyn.com/word/stratum

Chicago

"stratum." Wiktionary, via Micwyn. Accessed November 5, 2026. https://micwyn.com/word/stratum.

BibTeX

@misc{stratum_2026,
  title = {stratum},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/stratum},
  urldate = {2026-11-05}
}