substratum

play
noun sub·stra·tum \ ˈsəb-ˌstrā-təm , -ˌstra- ; ˌsəb-ˈstrā- , -ˈstra- \

Definition of substratum

plural substrata play \ˈsəb-ˌstrā-tə, -ˌstra-; ˌsəb-ˈstrā-, -ˈstra-\
:an underlying support :foundation: such as
a :substance that is a permanent subject of qualities or phenomena
b :the material of which something is made and from which it derives its special qualities
c :a layer beneath the surface soil; specifically :subsoil
d :substrate 2
e 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

substratal

play \ˈsəb-ˌstrā-tᵊl, -ˌstra-; ˌsəb-ˈstrā-, -ˈstra-\ adjective

Examples of substratum in a Sentence

  1. drilled into the bedrock substratum

Recent Examples of substratum from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'substratum.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of substratum

Medieval Latin, from Latin, neuter of substratus, past participle of substernere to spread under, from sub- + sternere to spread — more at strew


SUBSTRATUM Defined for English Language Learners

substratum

play
noun

Definition of substratum for English Language Learners

  • : a layer of something (such as soil or rock) that is under another layer


Medical Dictionary

substratum

play
noun sub·stra·tum \ ˈsəb-ˌstrāt-əm, -ˌstrat-, ˈsəb-ˈ \

medical Definition of substratum

plural substrata play \\
1 :the material of which something is made and from which it derives its special qualities
2 :substrate 2

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