substratum

/səbˈstrɑ.təm/

noun 3

Collocations

noun

A layer that lies underneath another.

The underlying cause or basis of something.

A substrate.

noun — an indigenous language that contributes features to the lang

noun — any stratum or layer lying underneath another

noun — a surface on which an organism grows or is attached

The substratum is unstable and requires special building practices.

Tatoeba · #8046419

i Register

In some senses, substratum is marked as figuratively. Watch for register when choosing this word.

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