What is another word for sub-bed?
Pronunciation: [sˈʌbbˈɛd] (IPA) 
The word "sub-bed" has multiple synonyms that can be used in place of it. Some of these synonyms include underlying, subsurface, substratum, base, foundation, and groundwork. These words are commonly used when referring to the lower layer or foundation of a structure or object. For example, when describing a garden, the sub-bed would refer to the soil that lies beneath the topsoil. Similarly, when talking about a building's foundation, the sub-bed would refer to the layers of concrete or other materials that lie beneath the ground level. These synonyms can help to provide a more descriptive and varied vocabulary when writing about or describing sub-beds or underlying layers in various contexts.
