Laxi Dictionary

American Dictionary

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Definition substratum in American English

substratum noun

[countable] noun
/ˈsʌbˌstreɪtəm/
1

a layer of something that is below another layer, especially in the ground

Synonyms and related words
surface cover layer
2

a basic feature or aspect of something that exists but is not easy to see

Synonyms and related words
feature quality factor
Definition substratum in American English