Synonyms of substratum

Noun

1. substrate, substratum, surface

usage: a surface on which an organism grows or is attached; "the gardener talked about the proper substrate for acid-loving plants"

2. substrate, substratum, stratum

usage: any stratum or layer lying underneath another

3. substrate, substratum, indigenous language

usage: 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"

Definition and meaning of substratum (Dictionary)