substructure

Plural: substructures

Noun

• the basic structure or features of a system or organization
• lowest support of a structure
• The supporting part of a structure (either physical or organizational; the foundation).
• 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, foot, foundation, fundament, groundwork, infrastructure, understructure, underbuilding

Related Words

superstructure