stratum

English

chalk strata (2)

Etymology

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.

Pronunciation

• (UK) IPA^(key): /ˈstɹɑːtəm/, /ˈstɹeɪtəm/

• Audio (UK)

  (file)

• Audio (UK)

  (file)

• Rhymes: -ɑːtəm, -eɪtəm, -ætəm
• (US) IPA^(key): /ˈstɹeɪtəm/, /ˈstɹætəm/

Noun

stratum (plural stratums or strata)

1. One of several parallel horizontal layers of material arranged one on top of another.

   Synonym: tier

   • 1884, Alfred Ronald Conkling, Appleton's Guide to Mexico, page 43:

     It is built of alternate strata of brick and clay, and the sides correspond to the direction of the meridians and parallels.

3. (geology) A layer of sedimentary rock having approximately the same composition throughout.

   Synonyms: bed, layer

   Coordinate term: seam

   • 1961 November, “Talking of Trains: The subsidence problem”, in Trains Illustrated, page 651:

     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 has been removed.

4. Any of the regions of the atmosphere, such as the stratosphere, that occur as layers.
5. (biology) A layer of tissue.
6. A class of society composed of people with similar social, cultural, or economic status.
7. (ecology) A layer of vegetation, usually of similar height.
8. (computing) The level of accuracy of a computer's clock, relative to others on the network.
   • 2006, Roderick W. Smith, Linux Samba Server Administration:

     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.

Related terms

• stratification
• stratify
• stratosphere

Translations

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

• Bashkir: ҡатлам (qatlam)
• Bulgarian: пласт (bg) m (plast), слой (bg) m (sloj)
• Finnish: kerros (fi)
• French: couche (fr) f
• Galician: estrato m
• Greek: στρώμα (el) (stróma)
• Ido: strato (io)
• Japanese: 層 (ja) (そう, sō)
• Portuguese: estrato (pt) m
• Russian: слой (ru) m (sloj)
• Swedish: skikt (sv) n, stratum (sv) n (scientific, pl. strata), varv (sv) n (seldom used; noun to vb. varva: "to layer", "to alternate")

layer of sedimentary rock having approximately the same composition throughout

• Bashkir: ҡатлам (qatlam)
• Bulgarian: пласт (bg) m (plast)
• Catalan: estrat (ca) m
• Finnish: maakerros, kerrostuma (fi)
• French: strate (fr) f
• Galician: estrato m
• German: Bank (de) f
• Greek: στρώμα (el) n (stróma)
• Icelandic: jarðlag (is) n
• Ido: strato (io)
• Japanese: 地層 (ja) (ちそう, chisō)
• Portuguese: estrato (pt) m
• Russian: слой (ru) m (sloj)
• Spanish: estrato (es) m

any of the regions of the atmosphere

• Bashkir: ҡатлам (qatlam)
• Finnish: kerros (fi)
• French: couche (fr) f
• Galician: estrato m
• Greek: στρώμα (el) n (stróma)
• Japanese: 層 (ja) (そう, sō)
• Russian: слой (ru) m (sloj)
• Spanish: capa (es) f

layer of tissue

• Bashkir: ҡатлам (qatlam)
• Catalan: estrat (ca) m
• Finnish: ihokerros
• French: couche (fr) f, stratum (fr) m
• Galician: estrato m
• Greek: στρώμα (el) n (stróma)
• Japanese: 層 (ja) (そう, sō)
• Russian: слой (ru) m (sloj)
• Spanish: estrato (es) m

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

• Bashkir: ҡатлам (qatlam)
• Bulgarian: прослокйа f (proslokja)
• Catalan: estrat (ca) m
• Finnish: yhteiskuntaluokka (fi), kansankerros
• French: classe (fr) f, couche (fr) f
• Galician: estrato m
• Greek: στρώμα (el) n (stróma)
• Indonesian: strata (id)
• Japanese: 階級 (ja) (かいきゅう, kaikyū)
• Portuguese: estrato (pt) m
• Russian: слой (ru) m (sloj)
• Spanish: estrato (es) m
• Swedish: samhällsskikt (sv) n, klass (sv) c
• Tagalog: saray

layer of vegetation

• Catalan: estrat (ca) m
• Finnish: kerros (fi)
• Galician: estrato m
• Greek: στρώμα (el) n (stróma)
• Polish: piętro (pl) n, warstwa (pl) f
• Swedish: skikt (sv) n (used as a suffix, -skikt, to a determinative noun, e.g. fältskikt, trädskikt), vegetationsskikt n, växtskikt n

Further reading

• stratum on Wikipedia.Wikipedia
• “stratum”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
• “stratum”, in The Century Dictionary […], New York, N.Y.: The Century Co., 1911, →OCLC.

French

Noun

stratum m (plural stratums)

1. stratum

Indonesian

Etymology

From Dutch stratum, from Latin stratum. Doublet of setrat and strata.

Pronunciation

• IPA^(key): [ˈstratʊm]
• Hyphenation: stra‧tum

Noun

stratum (first-person possessive stratumku, second-person possessive stratummu, third-person possessive stratumnya)

1. (geology) stratum, a layer of sedimentary rock having approximately the same composition throughout.

Related terms

• setrat
• strata
• stratifikasi

 

Further reading

• “stratum” in Kamus Besar Bahasa Indonesia, Jakarta: Language Development and Fostering Agency — Ministry of Education, Culture, Research, and Technology of the Republic Indonesia, 2016.

Latin

Etymology

From strātus, perfect passive participle of sternō (“spread”).

Pronunciation

• (Classical) IPA^(key): /ˈstraː.tum/, [ˈs̠t̪räːt̪ʊ̃ˑ]
• (Ecclesiastical) IPA^(key): /ˈstra.tum/, [ˈst̪räːt̪um]

Noun

strātum n (genitive strātī); second declension

1. a bed-covering, coverlet, quilt, blanket
2. a pillow, bolster
3. a bed, couch

   Synonym: lectus

4. a horse-blanket, saddle-cloth
5. a pavement

Declension

Second-declension noun (neuter).

Case	Singular	Plural
Nominative	strātum	strāta
Genitive	strātī	strātōrum
Dative	strātō	strātīs
Accusative	strātum	strāta
Ablative	strātō	strātīs
Vocative	strātum	strāta

Descendants

• Catalan: estrat
• English: stratum
• French: estrade
• Friulian: strât
• Galician: estrado
• Italian: strato
• Occitan: estrat
• Piedmontese: strat
• Portuguese: estrado
• Romanian: strat
• Spanish: estrado

Verb

strātum

1. accusative supine of sternō

References

• “stratum”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “stratum”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• stratum in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• stratum in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette
• Carl Meißner; Henry William Auden (1894) Latin Phrase-Book‎^[1], London: Macmillan and Co.
  • (ambiguous) a street, a made road: via strata
    
  • (ambiguous) to prostrate oneself before a person: ad pedes alicuius iacēre, stratum esse (stratum iacēre)
    
  • (ambiguous) all have perished by the sword: omnia strata sunt ferro