最終更新日：2024/07/28

A layer that lies underneath another. / (figuratively) The underlying cause or basis of something. / (linguistics) A substrate.

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substratum

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substratum

noun

A layer that lies underneath another. / (figuratively) The underlying cause or basis of something. / (linguistics) A substrate.

The substratum of the ocean floor is composed of various types of rocks.

意味（1）

A layer that lies underneath another.

意味（2）

(figuratively) The underlying cause or basis of something.

意味（3）

(linguistics) A substrate.