understratum
noun
a substratum.
understrata
-
pluralof understratum.plural
The grammatical form denoting more than one person, place, thing, or idea.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The explosions had jarred the none-too-stable understrata of rock into spasmodic motion that must grind everything to bits!
From Isle of the Undead by Eshbach, Lloyd Arthur
