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BNC: 35255 COCA: 32521

substratum

1 ENTRIES FOUND:
substratum /ˈsʌbˌstreɪtəm/ noun
plural substrata /-ˌstreɪtə/ /ˈsʌbˌstreɪtə/
substratum
/ˈsʌbˌstreɪtəm/
noun
plural substrata /-ˌstreɪtə/ /ˈsʌbˌstreɪtə/
Learner's definition of SUBSTRATUM
[count]
: a layer of something (such as soil or rock) that is under another layer(土壤或岩石等的)底层,下层
often used figuratively常用作比喻
BNC: 35255 COCA: 32521

substratum

noun

sub·​stra·​tum ˈsəb-ˌstrā-təm How to pronounce substratum (audio)
-ˌstra-;
ˌsəb-ˈstrā-,
-ˈstra-
plural substrata ˈsəb-ˌstrā-tə How to pronounce substratum (audio)
-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
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
ˈsəb-ˌstrā-tᵊl How to pronounce substratum (audio)
-ˌstra-;
ˌsəb-ˈstrā-
-ˈstra-
adjective

Example Sentences

drilled into the bedrock substratum
Recent Examples on the Web The suffix -core comes from hard core, which at first (1841) referred to broken bricks or stones that formed the hard substratum of roads and foundations. Melissa Mohr, The Christian Science Monitor, 7 Feb. 2022 Sessions is speaking to a real perception of a significant substratum of the American citizenry. Christopher Shea, Vox, 1 Aug. 2018 Severance occurs when the tail tip adheres to the substratum and the rest of the planarian pulls away. Chris Ciaccia, Fox News, 23 May 2018 Even here, though, abyssal tuba notes exposed a sonic substratum. Alex Ross, The New Yorker, 21 Apr. 2017

Word History

Etymology

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

First Known Use

1631, in the meaning defined above

Time Traveler
The first known use of substratum was in 1631
BNC: 35255 COCA: 32521

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