substrate
/ˈsʌbˌstɹeɪt/
Proposed by a contributor, not yet supported by evidence.
Also seen as: substrates
Sense 1
Meaning · English
An underlying layer; a substratum.
Noun
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
Meaning · English
The substance lining the bottom edge of an enclosure.
Noun
Examples
The substrate of an aquarium can affect the water's acidity.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 3
Meaning · English
Having very slight furrows.
Adjective
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “substrate” mean?
An underlying layer; a substratum.
Is “substrate” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.