Word.ws English Dictionary

understratum

understratum noun: the layer, or stratum, of earth on which the soil rests; the subsoil.

Noun

understratum (plural understratums or understrata)

  1. The layer, or stratum, of earth on which the soil rests; the subsoil.

Forms of understratum

pluralunderstratums
pluralunderstrata

Origin of understratum

From under- + stratum.

Questions about understratum

What does understratum mean?
Understratum means the layer, or stratum, of earth on which the soil rests; the subsoil.
What part of speech is understratum?
Understratum is a noun.
What is the plural of understratum?
The plural of understratum is understratums.

Words near understratum in the dictionary

  1. understrapper
  2. understrappers
  3. understrapping
  4. understraps
  5. understrata
  6. understratum
  7. understratums
  8. understream
  9. understreams
  10. understrength
  11. understress

Source and license

Adapted from Wiktionary: understratum (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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