Substrata definition
Substrata means the soil, sediment, decomposing organic matter or combination of these located on the bottom surface of the wetland, lake, stream, or river.
Examples of Substrata in a sentence
Bullock, U.S.S.N. 417,124 U.S. Patent No. 4,963,425 "Printed Wiring Board Substrata for Surface Mounted Components" by Alan M.