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Plantation – Pleurisy

Plantation

ATION, a term formerly used to designate a colony. The term was latterly applied to an estate or tract of land in the Southern States, the West Indies, etc., cultivated chiefly by negroes or other non-European laborers. In the Southern States the term planter is specially applied to a person who grows cotton, sugar, rice, or tobacco.

PLANTIGRADA

Plantigrada

in zoölogy, a section of the Carnivora, embracing those which apply the whole or nearly the whole of the sole of the foot to the ground in progressive motion. Example, the bears, the badgers.

Plasencia

a town of Spain, in Estremadura, 130 miles W. by S. of Madrid and 43 N. E. of Caceres, surrounded with double walls (1197), has a fine Gothic cathedral (1498). The monastery of San Yuste, to which Charles V. retired after his abdication, lies 24 miles to the E. of Plasencia.

Plasma

the viscous material of a cell from which the new developments take place; formless, elementary matter.

Plasma

a bright to leek-green variety of chalcedony, sometimes almost emerald-green; feebly translucent; luster, somewhat oily; fracture, sub-vitreous, probably due to a small amount of opal-silica present. It is rather rare, and was much esteemed by the ancients for engraving on.

Platinum

in chemistry, symbol,

Plastering

the art of covering the surface of masonry or wood work with a plastic material in order to give it a smooth and uniform surface, and generally in interiors to fit them for painting or decoration.

Plaster of Paris

the name given to gypsum when ground and used for taking casts, etc.

Plauen

one of the most important

Pleonasm

redundancy of language in speaking or writing; the use in speaking or writing of more words than are necessary to express an idea.

Pleura

in anatomy, plural, serous membranes forming two shut sacs, each PLESIOSAURUS

Pleurisy

inflammation of the pleura, going on to exudation, fluid effusion, a absorption, and adhesion. A stitch in the side is complained of, the breathing becomes hurried and shallow, and, as the sero-fibrinous deposit becomes greater, intense dyspnea sets in, with a short, dry, hacking cough.

PLEURO-PNEUMONIA, with bronchitis, the former constituting the chief disease. pneumonia