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An elementary substance which forms one of the constituents of didymium. Symbol Nd. Atomic weight 140.8.

te, with arsenic in the mineral niccolite, and with arsenic and sulphur in nickel glance. Symbol Ni. Atomic weight 58.6.

A symbol representing nine units, as 9 or ix. The Nine, the nine Muses.

A symbol for nineteen units, as 19 or xix.

A symbol representing ninety units, as 90 or xc.

cyanides, etc, and is a constituent of all organized living tissues, animal or vegetable. Symbol N. Atomic weight 14. It was formerly regarded as a permanent noncondensible gas, but was liquefied in 1877 by Cailletet of Paris, and Pictet of Geneva.

Any particular system of characters, symbols, or abbreviated expressions used in art or science, to express briefly technical facts, quantities, etc. Esp., the system of figures, letters, and signs used in arithmetic and algebra to express number, quantity, or operations.

ig. among the Hindus an exclamation of assent, like Amen, then an invocation, and later a symbol of the trinity formed by Vishnu, Siva, and Brahma. -- Om mani padme hun, a sacred formula of buddhism (esp. of the Lamaists) translated "O, the Jewel in the Lotus, Amen," and referring to Amitabha, who is commonly represent…

A symbol representing a unit, as 1, or i.

The symbol, quantity, or thing upon which a mathematical operation is performed; -- called also faciend.

rmation to be made upon quantities, the transformation being indicated either by rules or symbols.

The symbol that expresses the operation to be performed; -- called also facient.

et or satellite when its longitude differs from that of the sun 180º; -- signified by the symbol as, .

husband of Isis. He was figured as a mummy wearing the royal cap of Upper Egypt, and was symbolized by the sacred bull, called Apis. Cf. Serapis. -- O*sir"i*an, a.

iest substance known. Its tetroxide is used in histological experiments to stain tissues. Symbol Os. Atomic weight 191.1. Specific gravity 22.477.

per cent by weight and about 21 per cent by volume, being slightly heavier than nitrogen. Symbol O. Atomic weight 15.96.

was so named in 1804 by Wollaston from the asteroid Pallas, which was discovered in 1802. Symbol Pd. Atomic weight, 106.2.

A branch or leaf of the palm, anciently borne or worn as a symbol of victory or rejoicing. A great multitude . . . stood before the throne, and before the Lamb, clothed with white robes, and palme in their hands. Rev. vii. 9.

A five-pointed star, resembling five alphas joined at their bases; -- used as a symbol.

The worship of the generative principle in nature, symbolized by the phallus.