substructure

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Definition of substructure

3 senses · 1 part of speech · etymology included

noun

The supporting part of a structure (either physical or organizational; the foundation).

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noun

The supporting part of a structure (either physical or organizational; the foundation).
The earth or gravel that the railway tracks are embedded in.
(Marxism)Synonym of base (“the forces and relations of production that produce the necessities and amenities of life”).

Definitions from Wiktionary, CC BY-SA.

From sub- + structure.

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