STEREOGRAPHIC; STEREOGRAPHICAL a.
Made or done according to the rules of stereography; delineated on a plane; as, a stereographic chart of the earth. Stereographic projection (Geom.), a method of representing the sphere in which the center of projection is taken in the surface of the sphere, and the plane upon which the projection is made is at right a…
STRESS n.
ection or manner between contiguous bodies, or parts of bodies, and taking specific names according to its direction, or mode of action, as thrust or pressure, pull or tension, shear or tangential stress. Rankine. Stress is the mutual action between portions of matter. Clerk Maxwell.
SUBJECT n.
ophers of mind have, in a manner, usurped and appropriated this expression to themselves. Accordingly, in their hands, the phrases conscious or thinking subject, and subject, mean precisely the same thing. Sir W. Hamilton.
SULPHUR n.
hem.), an alkaline sulphide capable of acting as a base in the formation of sulphur salts according to the old dual theory of salts. [Archaic] -- Sulphur dioxide (Chem.), a colorless gas, SO2, of a pungent, suffocating odor, produced by the burning of sulphur. It is employed chiefly in the production of sulphuric acid,…
SUM n.
gregate of two or more numbers or quantities taken with regard to their signs, as + or -, according to the rules of addition in algebra; thus, the algebraic sum of -2, 8, and -1 is 5. -- In sum, in short; in brief. [Obs.] "In sum, the gospel . . . prescribes every virtue to our conduct, and forbids every sin." Rogers.…
TAR n.
liquid obtained by the distillation of wood, coal, etc., and having a varied composition according to the temperature and material employed in obtaining it. Coal tar. See in the Vocabulary. -- Mineral tar (Min.), a kind of soft native bitumen. -- Tar board, a strong quality of millboard made from junk and old tarred…