Answer: substrates

AnswerCrossword Clue
substratesA substance or layer that underlies something, or on which some process occurs, in particular
substratesSUBSTRATE, a substratum also SUBSTRATUM
substratesThe substance on which an enzyme acts
substratesA material that provides the surface on which something is deposited or inscribed, for example the silicon wafer used to manufacture integrated circuits
substratesThe surface or material on or from which an organism lives, grows, or obtains its nourishment