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ck used for forcing down the type in a form, and making the surface even. Hansard. Planer centers. See under Center.

rmed from the morula by the divergence of its cells in such a manner as to give rise to a central space, around which the cells arrange themselves as an envelope; an embryonic form intermediate between the morula and gastrula. Sometimes used as synonymous with gastrula.

Flat at the anterior and concave at the posterior end; -- said of the centra of the vertebræ of some extinct dinouaurs.

Of or pertaining to plebiscite. The Century.

The central column of parenchyma in a growing stem or root.

One of the lateral elements in the centra of the vertebræ in some fossil batrachians.

A disciple of Plotinus, a celebrated Platonic philosopher of the third century, who taught that the human soul emanates from the divine Being, to whom it reunited at death.

to stop a hawse hole. -- Plug and feather. (Stone Working) See Feather, n., 7. -- Plug centerbit, a centerbit ending in a small cylinder instead of a point, so as to follow and enlarge a hole previously made, or to form a counterbore around it. -- Plug rod (Steam Eng.) , a rod attached to the beam for working the v…

ne. (a) The cord by which a plumb bob is suspended; a plummet. (b) A line directed to the center of gravity of the earth. -- Plumb rule, a narrow board with a plumb line, used by builders and carpenters.

A division of Radiolaria. It includes those having one more central capsules.

Of or pertaining to Polynesia (the islands of the eastern and central Pacific), or to the Polynesians.

econd. One poncelet equals g watts, when g is the value of the acceleration of gravity in centimeters.

Any one of numerous species of American fresh-water fishes belonging to the family Centrarchidæ; -- called also pond perch, and sunfish.

A style of painting, popular in England in the 19th century, in which a thick opaque color is applied without background and with scarcely any shading, to thin paper, producing flowers, birds, etc., in imitation of Oriental work. Hence: Poonah brush, paper, painter, etc.

parts of the ocean. The individuals are round and disk-shaped, with a large zooid in the center of the under side, surrounded by smaller nutritive and reproductive zooids, and by slender dactylozooids near the margin. The disk contains a central float, or pneumatocyst.

of Port Royal des Champs, near Paris, when it was the home of the Jansenists in the 17th century, among them being Arnauld, Pascal, and other famous scholars. Cf. Jansenist.

rce function. It is called also Newtonian potential when the force is directed to a fixed center and is inversely as the square of the distance from the center.

A quilted military doublet or gambeson worn in the 14th and 15th centuries; also, a name for the doublet of the 16th and 17th centuries worn by civilians.

nuchus, especially T. Americanus (formerly T. cupido), which inhabits the prairies of the central United States. Applied also to the sharp-tailed grouse. -- Prairie clover (Bot.), any plant of the leguminous genus Petalostemon, having small rosy or white flowers in dense terminal heads or spikes. Several species occur…

woman of polite society, esp. one of the literary women of the French salons of the 17th century.