Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “substrate”

substrate

noun [C]  /ˈsʌb·streɪt/ biology
a substance or surface which an organism grows and lives on and uses as food A substrate is also a substance which an enzyme (= substance produced by living cells) acts on to produce a chemical reaction.
(Definition of substrate noun from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definitions of “substrate” in other dictionaries

Translations of “substrate”

Word of the Day

warm-up

something that you do to prepare yourself for an activity, especially gentle exercises before a physical activity

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More