Skip to content
HOW TO PRONOUNCE

stratum

/ˈstɹeɪ.təm/

Press play to hear how to pronounce stratum.

American Pronunciation Guide · 0:55
Watch on YouTube ↗

What does stratum mean?

noun

  1. One of several parallel horizontal layers of material arranged one on top of another.
  2. 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.
More meanings (5)

noun

  1. A layer of tissue.
  2. A class of society composed of people with similar social, cultural, or economic status.
  3. A layer of vegetation, usually of similar height.
  4. The level of accuracy of a computer's clock, relative to others on the network.
  5. A historical layer of a language.

Definitions regrouped for readability · CC BY-SA 4.0

IPA pronunciation

/ˈstɹeɪ.təm/

Wiktionary contributors · CC BY-SA 4.0

Other dictionary pronunciations

/ˈstɹæt.əm/
Wiktionary contributors · CC BY-SA 4.0

Pronunciation varies by speaker and region. About these dictionary pronunciations.

In the pages of books

See this word in context.

We attributed it to an ice-crack to the westward, where the band of open water had heated a stratum of air.
Ernest Henry, Sir ShackletonSouth: The Story of Shackleton's Last Expedition, 1914-1917Project Gutenberg ebook #5199
When placed over each other they would float upon the thin stratum of air between them until dislodged by time and pressure.
James NasmythJames Nasmyth, Engineer: An AutobiographyProject Gutenberg ebook #476
More book examples (3)
Below this surface soil is a stratum of sand, overlying the gravelly beds below and passing into the surface soil just mentioned.
Emory Adams AllenThe Prehistoric World; Or, Vanished RacesProject Gutenberg ebook #2873
The sapling which had rooted down to a poisonous stratum on the spot of its sowing had been transplanted to a deeper soil.
Thomas HardyTess of the d'Urbervilles: A Pure WomanProject Gutenberg ebook #110
In Henry VIII, I think I see plainly the cropping out of the original rock on which his own finer stratum was laid.
Ralph Waldo EmersonEssays by Ralph Waldo EmersonProject Gutenberg ebook #16643