substrate Meaning in the Cambridge English Dictionary
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Meaning of “substrate” in the English Dictionary

"substrate" in British English

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substratenoun [C]

uk   us   /ˈsʌb.streɪt/ specialized
biology a ​substance or ​surface that an ​organismgrows and ​lives on and is ​supported by chemistry a ​substance that an enzyme (= ​chemical made by ​livingcells)acts on to ​produce a ​chemicalreaction
(Definition of substrate from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"substrate" in American English

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substratenoun [C]

 /ˈsʌb·streɪt/
biology a ​substance or ​surface which an ​organismgrows and ​lives on and uses as ​food biology A substrate is also a ​substance which an enzyme (= ​substanceproduced by ​livingcells)acts on to ​produce a ​chemicalreaction.
(Definition of substrate from the Cambridge Academic Content Dictionary © Cambridge University Press)
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