(ש"ע) תשתית, תת-שכבה

n. layer that lies beneath another; material that serves as the foundation for something

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Noun
1. any stratum lying underneath another
(synonym) substrate
(hypernym) stratum

(n.)
The permanent subject of qualities or cause of phenomena; substance.
  

(n.)
That which is laid or spread under; that which underlies something, as a layer of earth lying under another; specifically (Agric.), the subsoil.
  

Synonyms and related words:
air, atom, atomic particles, band, base, basement, basis, bearing wall, bed, bedding, bedrock, belly, belt, bottom, bottom side, breech, brute matter, building block, buttocks, chemical element, component, constituent, core, couche, course, deck, downside, earth, element, elementary particle, elementary unit, fire, floor, flooring, fond, footing, foundation, fundament, fundamental, fundamental particle, gallery, ground, grounds, groundwork, hardpan, hyle, hypostasis, infrastructure, layer, ledge, level, lower side, lowest layer, lowest level, material, material world, materiality, matter, measures, meat, molecule, monad, natural world, nature, nether side, nethermost level, overlayer, overstory, pavement, physical world, plenum, principle, radical, riprap, rock bottom, root, rudiment, seam, seat, shelf, sill, solid ground, solid rock, stage, step, stereobate, story, stratum, stuff, stylobate, substance, substrate, substruction, substructure, superstratum, terra firma, the four elements, thickness, tier, topsoil, underbelly, underbuilding, undercarriage, undergirding, underlayer, underneath, underpinning, underside, understory, understratum, understruction, understructure, unit of being, water, zone
  

substratum /'sʌb'strɑ:təm/

• danh từ, số nhiều substata ((cũng) substrate)
  • lớp dưới
  • cơ sở
    • it has a substratum of truth: điều đó có cơ sở ở sự thật
  • (nông nghiệp) tầng đất cái
  • (sinh vật học); (triết học) thể nền

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