substructure

• POS: Noun
• HYPHEN: sub=struc=ture

CIDE DICTIONARY

substructure, n. [Pref. sub- + structure.].

•  Same as Substruction.  [1913 Webster]
•  An under structure; a foundation; groundwork.  [1913 Webster]

OXFORD DICTIONARY

substructure, n. an underlying or supporting structure.

Derivative

substructural adj.

THESAURUS

substructure

base, basement, basis, bearing wall, bed, bedding, bedrock, bottom, floor, flooring, fond, footing, foundation, fundament, fundamental, ground, grounds, groundwork, hardpan, infrastructure, pavement, principle, radical, riprap, rock bottom, rudiment, seat, sill, solid ground, solid rock, stereobate, stylobate, substratum, substruction, terra firma, underbuilding, undercarriage, undergirding, underpinning, understruction, understructure

ROGET THESAURUS

substructure

Base

N base, basement, plinth, dado, wainscot, baseboard, mopboard, bedrock, hardpan, foundation, substructure, substratum, ground, earth, pavement, floor, paving, flag, carped, ground floor, deck, footing, ground work, basis, hold, bilge, bottom, nadir, foot, sole, toe, hoof, keel, root, centerboard, bottom, undermost, nethermost, fundamental, founded on, based on, grounded on, built on.