what exactly is bedrock
bedrock. n. 1. (Geological Science) the solid unweathered rock that lies beneath the loose surface deposits of soil, alluvium, etc. 2. basic principles or facts (esp in the phrase get down to bedrock).3. the lowest point, level, or layer. (ËbÉdËrÉk).edrock-solid unweathered rock lying beneath surface deposits of soil. rock, stone-a lump or mass of hard consolidated mineral matter; he threw a rock at me.