understratum

Fetched 2026-10-26 (cache).

Synonyms: understrata, understratums

Antonyms: understrata, understratums

Related words from Datamuse; suggestions, not definitions.

Noun

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

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.