SUBSTRACTOR
Sub*stract"or, n.

1. One who subtracts.

2. A detractor; a slanderer. [Obs.] Shak.

SUBSTRATE
Sub"strate, n.

Defn: A substratum. [R.]

SUBSTRATE
Sub"strate, a.

Defn: Having very slight furrows. [R.]

SUBSTRATE
Sub*strate", v. t. Etym: [L. substratus, p.p. of substrahere. See
Substratum.]

Defn: To strew or lay under anything. [Obs.]
The melted glass being supported by the substrated sand. Boyle.

SUBSTRATUM
Sub*stra"tum, n.; pl. Substrata. Etym: [L. substratus, p.p. of
substernere to strew under; sub under + sternere to strew. See
Stratum.]