Student Dictionary

One entry found for substratum.
Main Entry: subĚstraĚtum
Pronunciation: primarystresssschwab-secondarystressstramacrt-schwam, -secondarystressstrat-
Function: noun
: an underlying support or layer: as a : the material of which something is made b : a layer beneath the surface layer of soil : SUBSOIL c : SUBSTRATE b

Pronunciation Symbols