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remarkable variation in electric conductivity, and is used in certain electric apparatus. Symbol Se. Atomic weight 78.9.

An Egyptian deity, at first a symbol of the Nile, and so of fertility; later, one of the divinities of the lower world. His worship was introduced into Greece and Rome.

A symbol representing seven units, as 7, or vii.

A symbol denoting seventeen units, as 17, or xvii.

A symbol representing seventy units, as 70, or lxx. The Seventy, the translators of the Greek version of the Old Testament called the Septuagint. See Septuagint.

A compendious and rapid method or writing by substituting characters, abbreviations, or symbols, for letters, words, etc.; short writing; stenography. See Illust. under Phonography.

Any symbol or emblem which prefigures, typifles, or represents, an idea; a type; hence, sometimes, a picture. The holy symbols, or signs, are not barely significative; but what they represent is as certainly delivered to us as the symbols themselves. Brerewood. Saint George of Merry England, the sign of victory. Spense…

That which has significance; a sign; a token; a symbol. Wordsworth. In dumb significants proclaim your thoughts. Shak.

Betokening or representing by an external sign. The holy symbols or signs are not barely significative. Brerewood.

characteristically the element of the mineral kingdom, as carbon is of the organic world. Symbol Si. Atomic weight 28. Called also silicium.

g easily oxidized, and is used for coin, jewelry, plate, and a great variety of articles. Symbol Ag (Argentum). Atomic weight 107.7. Specific gravity 10.5.

One of the triad of Hindoo gods. He is the avenger or destroyer, and in modern worship symbolizes the reproductive power of nature.

A symbol representing six units, as 6, vi., or VI. To be at six and seven or at sixes and sevens, to be in disorder. Bacon. Shak. Swift.

A symbol representing sixteen units, as 16, or xvi.

A symbol representing sixty units, as 60, lx., or LX.

A sort of oar. See Scull. Skull and crossbones, a symbol of death. See Crossbones.

- used as a sumbol of comedy, of the comic drams, as distinguished from tragedy, which is symbolized by the buskin. Great Fletcher never treads in buskin here, Nor greater Jonson dares in socks appear. Dryden.

f obtaining other metals (as magnesium and aluminium) is an important commercial product. Symbol Na (Natrium). Atomic weight 23. Specific gravity 0.97. Sodium amalgam, an alloy of sodium and mercury, usually produced as a gray metallic crystalline substance, which is used as a reducing agent, and otherwise. -- Sodium…

A mystic symbol consisting of two interlaced triangles forming a star with six points, often with one triangle dark and one light, symbolic of the union of soul and body.

Fig.: Symbol of hardness and insensibility; torpidness; insensibility; as, a heart of stone. I have not yet forgot myself to stone. Pope.