(nynorsk) substrat angolul

substrate [substrates]▼(the material or substance on which an enzyme acts)
noun
[UK: ˈsʌb.streɪt] [US: ˈsʌb.ˌstret]

substratum [substrata]▼(a layer that lies underneath another)
noun
[UK: ˌsʌb.ˈstrɑː.təm] [US: ˌsʌb.ˈstrɑː.təm]