substructure.
The supporting part of a structure (either physical or organizational; the foundation).
Meaning & usage
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”).
Where this word comes from
Etymology tree Proto-Indo-European *upó Proto-Italic *supo Latin sub Latin sub-der. English sub- English structure English substructure From sub- + structure.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.