Substratum (Noun)
Meaning 1
A surface on which an organism grows or is attached; "the gardener talked about the proper substrate for acid-loving plants".
Classification
Nouns denoting spatial position.
Synonyms
Hypernyms
Meaning 2
Any stratum or layer lying underneath another.
Classification
Nouns denoting spatial position.
Synonyms
Hypernyms
Meaning 3
An indigenous language that contributes features to the language of an invading people who impose their language on the indigenous population; "the Celtic languages of Britain are a substrate for English".
Classification
Nouns denoting communicative processes and contents.