Sub*strate" (?), v. t. [L. substratus, p. p. of substrahere. See
Substratum.] To strew or lay under anything. [Obs.]
The melted glass being supported by the substrated sand.
Boyle.
Sub*stra"tum (?), n.; pl. Substrata (#). [L. substratus, p. p. of
substernere to strew under; sub under + sternere to strew. See
Stratum.] 1. That which is laid or spread under; that which underlies
something, as a layer of earth lying under another; specifically
(Agric.), the subsoil.
2. (Metaph.) The permanent subject of qualities or cause of phenomena;
substance.
Sub*struct" (?), v. t. [See Substruction.] To build beneath something;
to lay as the foundation. [R.]
He substructs the religion of Asia as the base.
Emerson.
Sub*struc"tion (?), n. [L. substructio, fr. substruere, substructum, to
build beneath; sub under + struere to build.] (Arch.) Underbuilding;
the foundation, or any preliminary structure intended to raise the
lower floor or basement of a building above the natural level of the
ground.
It is a magnificent strong building, with a substruction very
remarkable.
Evelyn.
Sub*struc"ture (?), n. [Pref. sub- + structure.] 1. (Arch.) Same as
Substruction.