substructure
The supporting part of a structure (either physical or organizational; the foundation).
Noun
- The supporting part of a structure (either physical or organizational; the foundation).
Synonyms: underbuilding
- The earth or gravel that the railway tracks are embedded in.
- Synonym of base (“the forces and relations of production that produce the necessities and amenities of life”).
Synonyms: base
Origin
Etymology tree Proto-Indo-European *upó Proto-Italic *supo Latin sub Latin sub-der. English sub- English structure English substructure From sub- + structure.