Definition of substratum
substrataplay \ˈsəb-ˌstrā-tə, -ˌstra-; ˌsəb-ˈstrā-, -ˈstra-\
: an underlying support : foundation: such asa : substance that is a permanent subject of qualities or phenomenab : the material of which something is made and from which it derives its special qualitiesc : a layer beneath the surface soil; specifically : subsoild : substrate 2e linguistics : a component of a language (such as a part of its phonology, syntax, or lexicon) that remains from absorption of a pre-existing language in the region where the language is currently spoken
substratalplay \ˈsəb-ˌstrā-təl, -ˌstra-; ˌsəb-ˈstrā-, -ˈstra-\ adjective
Examples of substratum in a Sentence
drilled into the bedrock substratum
Recent Examples of substratum from the Web
Even here, though, abyssal tuba notes exposed a sonic substratum.
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SUBSTRATUM Defined for English Language Learners
Definition of substratum for English Language Learners
: a layer of something (such as soil or rock) that is under another layer
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