understratum
understratum noun: the layer, or stratum, of earth on which the soil rests; the subsoil.
Noun
understratum (plural understratums or understrata)
Forms of understratum
| plural | understratums |
|---|---|
| plural | understrata |
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
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.
Last updated:
Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-understratum.wav.
Cite this entry: “understratum.” Word.ws, https://word.ws/understratum. Based on Wiktionary, CC BY-SA 4.0.
