substratum, subsratal, substrative 1. An underlying base, layer, or element. 2. In agriculture, subsoil. 3. In geology, bedrock. 4. In biology, the non-living material or base on which an organism lives or grows. Found on http://www.wordinfo.info/words/index/info/view_unit/2047/2
substratum, subsratal, substrative 1. An underlying base, layer, or element. 2. In agriculture, subsoil. 3. In geology, bedrock. 4. In biology, the non-living material or base on which an organism lives or grows.