stratum

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English[edit]

Etymology[edit]

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).

Pronunciation[edit]

Noun[edit]

stratum (plural strata)

  1. One of several parallel horizontal layers of material arranged one on top of another.
  2. (geology) A layer of sedimentary rock having approximately the same composition throughout.
  3. Any of the regions of the atmosphere, such as the stratosphere, that occur as layers.
  4. (biology) A layer of tissue.
  5. A class of society composed of people with similar social, cultural, or economic status.
  6. (ecology) A layer of vegetation, usually of similar height.

Synonyms[edit]

  • (layers of material arranged one on top of another): tier

Related terms[edit]

Translations[edit]

External links[edit]


Latin[edit]

Etymology[edit]

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

Pronunciation[edit]

Noun[edit]

strātum n (genitive strātī); second declension

  1. a bed-covering, coverlet, quilt, blanket
  2. a pillow, bolster
  3. a bed, couch
  4. a horse-blanket, saddle-cloth
  5. a pavement
  6. accusative singular of strātum
  7. vocative singular of strātum

Inflection[edit]

Second declension neuter.

Number Singular Plural
nominative strātum strāta
genitive strātī strātōrum
dative strātō strātīs
accusative strātum strāta
ablative strātō strātīs
vocative strātum strāta

Descendants[edit]

Verb[edit]

strātum

  1. supine of sternō