Printed circuit board (electronics), or the electrically insulating portion of a PCB structure
Substratum, in linguistics, a language that influences but is supplanted by a second language
Neural substrate, in neuroscience, the set of brain structures that underlies a specific behavior or psychological state
Substrate (printing), the base material to which images will be printed
This disambiguation page lists articles associated with the title Substrate. If an internal link led you here, you may wish to change the link to point directly to the intended article.