SEMITIC a.
and related races. [Written also Shemitic.] Semitic language, a name used to designate a group of Asiatic and African languages, some living and some dead, namely: Hebrew and Phoenician, Aramaic, Assyrian, Arabic, Ethiopic (Geez and Ampharic). Encyc. Brit.
SET n.
persons associated by custom, office, common opinion, quality, or the like; a division; a group; a clique. "Others of our set." Tennyson. This falls into different divisions, or sets, of nations connected under particular religions. R. P. Ward.
SODIUM n.
A common metallic element of the alkali group, in nature always occuring combined, as in common salt, in albite, etc. It is isolated as a soft, waxy, white, unstable metal, so readily oxidized that it combines violently with water, and to be preserved must be kept under petroleum or some similar liquid. Sodium is used…
SOLAR a.
-- Solar spots. See Sun spots, under Sun. -- Solar system (Astron.), the sun, with the group of celestial bodies which, held by its attraction, revolve round it. The system comprises the major planets, with their satellites; the minor planets, or asteroids, and the comets; also, the meteorids, the matter that furnis…
SPECIES n. 2 definitions
A group of individuals agreeing in common attributes, and designated by a common name; a conception subordinated to another conception, called a genus, or generic conception, from which it differs in containing or comprehending more attributes, and extending to fewer individuals. Thus, man is a species, under animal as…
SPERMATOPHYTA n.
se that produce seeds; the seed plants, or flowering plants. They form the most numerous group, including over 120,000 species. In general, the group is characterized by the marked development of the sporophyte, with great differentiation of its parts (root, stem, leaves, flowers, etc.); by the extreme reduction of th…