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An oxide containing five atoms of oxygen in each molecule; as, phosphorus pentoxide, P2O5.

A genus of crinoids belonging to the Blastoidea. They have five petal-like ambulacra.

A plant, and its flower, of the ranunculaceous genus Pæonia. Of the four or five species, one is a shrub; the rest are perennial herbs with showy flowers, often double in cultivation. [Written also pæony, and piony.]

A buttress on the left-hand wall of a fives court as the game is played at Eton College, England.

A measure of length containing five and a half yards; a rod, or pole.

A form of sentence among the ancient Syracusans by which they banished for five years a citizen suspected of having dangerous influence or ambition. It was similar to the ostracism in Athens; but olive leaves were used instead of shells for ballots.

ere were several different arrangements, the phalanx varying in depth from four to twenty-five or more ranks of men. "In cubic phalanx firm advanced." Milton. The Grecian phalanx, moveless as a tower. Pope.

melting copper with tin phosphide. It contains one or two per cent of phosphorus and from five to fifteen per cent of tin.

ieties. The species are mostly perennial herbs, with opposite linear leaves, and handsome five- petaled flowers with a tubular calyx.

t cards played between two persons, with thirty-two cards, all the deuces, threes, fours, fives, and sixes, being set aside. [Written also picket and picquet.]

Pure, passionless; nonsexual; philosophical. Platonic bodies, the five regular geometrical solids; namely, the tetrahedron, hexahedron or cube, octahedron, dodecahedron, and icosahedron. -- Platonic love, a pure, spiritual affection, subsisting between persons of opposite sex, unmixed with carnal desires, and regardin…

A carucate of land; a plowland. [Obs.] [Eng.] Johan, mine eldest son, shall have plowes five. Tale of Gamelyn.

ion or condition attained; as, a point of elevation, or of depression; the stock fell off five points; he won by tenpoints. "A point of precedence." Selden. "Creeping on from point to point." Tennyson. A lord full fat and in good point. Chaucer.

A game played with five dice in which the count is usually made, in order, by pairs, two pairs, three of a kind, full houses, four of a kind, and five of a kind (the highest throw), similar to poker; also, the dice used in this game, esp. when marked with the ace, king, queen, jack, ten, and nine instead of the usual d…

Twenty-five pounds sterling. [Slang, Eng.]

stal note, an order payable to bearer, for a sum of money (in the United States less than five dollars under existing law), issued from one post office and payable at another specified office. -- Postal Union, a union for postal purposes entered into by the most important powers, or governments, which have agreed to t…

One of the five most general relations of attributes involved in logical arrangements, namely, genus, species, difference, property, and accident.

n of a clergyman, lawyer, or physician; the profession of lecturer on chemistry. Hi tried five or six professions in turn. Macaulay.

A member of one of the ten sections into which the Athenian senate of five hundred was divided, and to each of which belonged the presidency of the senate for about one tenth of the year.

A dance having five figures, in common time, four couples of dancers being in each set.