- the substance upon which an enzyme acts
- another word for substratum
WordReference Random House Learner's Dictionary of American English © 2026
WordReference Random House Unabridged Dictionary of American English © 2026
sub•strate
(sub′strāt),USA pronunciation n.
- Ecology, Laboratorya substratum.
- Biochemistrythe substance acted upon by an enzyme.
- Electronicsa supporting material on which a circuit is formed or fabricated.
- variant of substratum 1570–80
Collins Concise English Dictionary © HarperCollins Publishers::
substrate /ˈsʌbstreɪt/ n
'substrate' also found in these entries (note: many are not synonyms or translations):
hybrid
- photolithography
- planar process
- thin-film
- active site
- basal disk
- complex
- glycolic acid
- induction
- kinase
- metal oxide semiconductor
- oxidase
- thin film
- suctorian
- supralittoral