PURPURATE. A combination of pur- affections, as typhus fever, which exhibit puric acid with a salifiable base. PURPU'REUS. Purple. PURPURIC ACID. An acid obtained from uric or lithic acid, having a remarkable tendency to form red or purple-colored salts with alkaline bases. PURPU'RINE. A red pigment of urine. PURRING TREMOR. A peculiar vibration communicated to the hand in those states of the heart and arteries, in which the bellows or rasp sound is detected by auscultation, which is compared to the purring of the cat. PUR'SINESS. Obesity. , PURS'LANE. A plant of the genus Portulaca. PURULENT. Purulen'tus; from pus. A term applied to all collections of matter which consist of pus, and to diseases characterized by its formation. PUS. Matter. The product of suppuration consequent on inflammation of the cellular tissue. When of a good quality, it is of a yellowish-white color, inodorous, heavier than water, and of a creamy consistence. the characters of putridity. PUTRIDITAS. Putridity. PUTRIDITY. Putrefaction. PU’TRILAGE. Putrila'go. The putaceous matter thrown off from certain gangrenous and other ulcers. PYCNAN THEMUM. plants of the order Labiata. A genus of PYCNANTHEMUM INCA'NUM. Common mountain mint; wild basil; an indigenous plant, possessing aromatic properties similar to those of the mints. Vir PYCNANTHEMUM LINIFOLIUM. ginia thyme, a plant possessing properties similar to the Pycnanthemum incanum. PYEC'CHYSIS. An effusion of pus. PYELITIS. From veλos, pelvis, and itis, signifying inflammation. Inflammation of the pelvis and calyces of the kidney. PYE'SIS. Suppuration. PYG'MY. A dwarf; an appellation given by the ancients to a fabulous race of beings inhabiting the upper Nile, said to have been destroyed by the cranes. PY'INE. From vоν, pus. A peculiar substance derived by Güterbock from pus. PYLEMPHRAX'IS. From πuên, porta, PUSILLATUM. Pusula'tum; from a gate, and ɛμopağı, obstruction. Obpusillus, small. A coarse powder. PUSTULA O'RIS. Aphthæ. PUSTULE. Pus'tula; from pus, matter. An elevation of the cuticle, sometimes of a globate, and sometimes of a conical form, with an inflamed base, containing pus or lymph. PUTA MEN. From puto, to prune or cut. The innermost layer of the pericarp of osseous fruits, as the walnut. PUTREDO. Hospital gangrene; putrefaction. struction of the vena porta. PYLORIC. Pylor'icus. Belonging or relating to the pylorus. PYLORIC ARTERY. A branch of the hepatic, distributed to the pylorus and lesser curvature of the stomach. PYLO'RUS. From un, an entrance, and opew, to guard. The lower orifice of the stomach is so called because it closes the entrance into the intestinal canal. PYOCHEZIA. From vov, pus, and xel, I go to stool. Purulent diarrhoea. PYOCŒLIA. From vov, pus, and PUTREFACTION. Putrefactio; from putrefacio, to make rotten. The decom-koa, the belly. An accumulation of pus position of organized matter, attended in the abdominal cavity. with a fortid exhalation. Putrefactive PYOCYSTIS. From vov, pus, and fermentation. KUOTI, a cyst. A cyst containing purulent matter, especially in the lungs. See Vomica. PUTRES CENT. Putres'cens. Becoming putrid, or pertaining to the process of putrefaction. PUTRESCENTIA. Putrefaction. PUTRID. An epithet applied to some PYODES. Purulent. PYOEM'ESIS. From vov, pus, and eunois, vomiting. Vomiting pus. PYOGENIA. Pyogen'esis; from #vov, pus, and yeveous, generation. The elaboration of pus; the theory of the manner of its formation. PY'REN. A colorless crystalline substance obtained from pitch. PYRENETTE. A mineral found in limestone, supposed to be a variety of gar PYOGENIC. Pyogen'icus. Connected net. with the formation of pus. PYOHEMIA. From яvoν, pus, and aqua, blood. Alteration of the blood by pus. PYOMETRA. From vov, pus, and μnτpa, womb. A collection of pus in the womb. PYON. IIvov. Tus. Purulent ophthalmy. PYRETHRIN. A resinous substance found in the root of the Pellitory of Spain. PYRETHRUM. Anthemis pyrethrum. PYRETIC. Pyret'icus; from up, fire. Pertaining to fever. PYRETICO'SIS. A febrile disease. PYRETOGRAPHY. Pyretograph'ia; from πυρετος, fever, and γράφη, a descripPyophthal'my. tion. A description of fevers. PYRETOLOGIST. Pyretologis'ta. A PYOPTYSIS. From vov, pus, and physician who devotes himself exclusively TTV, I spit. Spitting of pus. PYORRHAGIA. From πνоν, pus, and pnyvvu, to brush out. A sudden and copious discharge of pus, or purulent mat ter. PYORRHOEA. From vov, pus, and pɛw, I flow. A discharge of purulent mat ter. PYO'SIS. Suppuration. PYOU'RIA. Pyuria, which see. PYRAL'LOLITE. A white or greenish mineral consisting essentially of silica. It undergoes various changes of color when exposed to heat. PYRAMID. Pyr'amis. In Anatomy, a small bony protuberance in the cavity of the tympanum. to the study and treatment of fever. Pyretolog'ia; from TUPETOs, fever, and λoyoç, a discourse. The doctrine of fevers. PYRETOS. Fever. PYREXIA. From up, fire. Fever. PYREX'LE. Febrile diseases. The first class of Cullen's Nosology. PYREX'IAL. Pyrexia'lis. Febrile. PYRIFORM. Pyrifor'mis; from pyrum, a pear, and forma, resemblance. Pearshaped. PYRIFORMIS. In Anatomy, a small muscle of the pelvis, situated under the gluteus maximus. PYRITES. Minerals presenting a whitish or yellowish metallic lustre, and consisting of a combination of sulphur PYRAM'IDAL. Pyramidalis. Having with iron, copper, cobalt or nickel. the form of a pyramid. PYRMONT SPRING. A mineral PYRAMIDA'LE OS. The cuneiform spring of considerable repute at Pyrmont, bone. PYRAMIDA'LIS ABDOM'INIS. A small muscle of a pyramidal shape, situated in front of the abdomen. a village in Germany. PYRO-. Pyr. A prefix, from up, fire, denoting the presence of fire or heat. PY'RO-ACE TIC SPIRIT. Acetone; PYRAMIDALIS FACIEI. Levator labii pyro-acetic æther, obtained with acetic superioris alæque nasi. PYRAMIDALIS NA'SI. A thin triangular portion of the occipito-frontalis, situated over the nose. acid by the destructive. distillation of the acetates. PYRO-DIGITALI'NA. Empyreumatic oil, obtained from the destructive distillation PYRAMIDS OF MALPIGHI. The of foxglove. papillæ of the kidney. PYRECTICA. From Uрeros, fever. Fevers. The first order in the class Hamatica of Dr. Good. PYRO-MU'CIC ACID. An acid obtained by the distillation of mucic acid. PYRO-U'RIC ACID. Cyanuric acid, obtained by the dry distillation of uric acid. PYR'OLA. Round-leaved wintergreen, said to possess mild astringent and tonic properties. Also, a genus of plants of the order Pyrolacea. Water-brash. A burning sensation in the stomach, with eructations of an acrid, burning liquid. PYROTECHNY. Pyrotechni'a; from PYROLA MACULA'TA. Spotted pipsis-up, fire, and Texʊn, art. The science of the sewa; ground holly; a plant possessing properties similar to those of Pyrola. PYROLA UMBELLA'TA. Chimaph'ila; pipsissewa. Wintergreen. It has tonic and diuretic properties. PYROLIG'NEOUS ACID. Acetic acid obtained by distillation from wood, coal, &c. It is used for preserving animal substances, and as an antiseptic in gangrene and foul ulcers. PYROLIGNEOUS ETHER. Methylic ether. PYROLIGNEOUS SPIRIT. Pyroxylic spirit. PYROLOGY. Pyrolog'ia; from up, fire, and hoyos, a discourse. The science of, or a treatise on, fire. PYROMA'LIC ACID. Malic acid. PYROMA'NIA. From up, fire, and pavia, mania. A form of monomania, in which there is an irresistible desire to destroy by fire. PYROMETER. An instrument for ascertaining higher degrees of temperature than the mercurial thermometer is capable of indicating. PYRON'OMY. Pyronom'ia; from Top, fire, and voor, a rule. The instruction for regulating the fire in chemical processes, and in the laboratory of the dentist. PYR'OPE. A fire-red garnet. PYROPH'AGUS. From up, fire, and payʊ, to eat. An epithet applied to a juggler who eats fire or red hot substances. PYRO'SIS. From pow, to burn. management and application of fire in its various operations, particularly to the art of making fire-works, &c. The term was formerly applied to chemistry. In Surgery, the art of applying fire as a topical agent. PYROTHONIDE. Empyreumatic oil obtained by the combustion of paper or rags. PYROTICA. Caustics. PYROTICUS. Pyrotica. PYROXYLIC SPIRIT. One of the products of the destructive distillation of wood. PY'RUS. A genus of plants of the order Pomacea. PYRUS ANCUPA'RIA. The mountain ash. The leaves are said to yield prussic acid by distillation. PYRUS COMMU'NIS. The pear tree. PYUL/CON. From vov, pus, and EAK, I extract. An instrument for extracting pus from any sinuous ulcer. A syringe. PYU'RIA. From vov, pus, and oupov, urine. Purulent urine, occurring in renal calculi. PYXID'IUM. From pyxis, a box. A compound fruit, dehiscing by a transverse suture when ripe. PYX'IS. A box; a pill-box; also, the acetabulum. Q. P. An abbreviation for quantum placet, as much as you please. QUACHIL TO. The moor hen, a Brazilian fowl, the voice of which resembles the crowing of a cock. QUACK. An empiric; a charlatan ; an ignorant pretender to medical skill. QUACK'ERY. Empiricism. Q QUACK'SALVER. A quack who boasts of skill in salves, medicines, &c. QUADRAN'GULAR. Quadrangula'rís. Four-sided. Having four angles. QUAD'RANS. A quarter. QUADRATUS. From quadra, a square. Having a square shape; squarefigured. QUADRATUS FEM'ORIS. A flat, thin, and fleshy muscle extending from the ischium to the great trochanter of the femur. QUADRATUS GE'NE. The platysma myoides. QUADRATUS LUMBO'RUM. A muscle situated at the side of the lower part of the spine. QUAIL. The popular name of certain gallinaceous birds closely allied to the partridge. QUALITATIVE. Relating to qual ity. QUALITATIVE ANALYSIS. In Chemistry, that kind of analysis which obtains the component parts of a compound QUADRATUS MENTI. Depressor labii without reference to their relative propor QUADRIFA'RIOUS. In Botany, ar- istry, that kind of analysis which not only ranged in four rows. QUAD'RIFID. Cleft in four parts. QUAD'RIFORES. Quadrif'ora; from quatuor, and foro, I pierce. A family of Sessile Cirripeds, in which the opercular covering of the tube is composed of four calcareous pieces. determines the components of a compound, but also their relative proportions. QUAQUAVERS'AL. From quaqua, in all directions, and versus, from verto, to turn. An epithet applied in Geology to beds of lava round a crater, when the dip points in all directions. QUAR'ANTINE. From (Italian,) quarantina; which is from quaranta, forty; because forty days are its usual duration. The period during which travelers or goods coming from countries where QUADRIGEM'INA TUBER'CULA. The four medullary tubercles, situated at the posterior surface of the tuber annulare, called the corpora quadrigemina, or nates and testes of the brain. QUADRIGEM'INUS PRIMUS. The the plague or other infectious disease prepyramidalis muscle. QUADRILO'BATE. Four-lobed; applied in Botany to leaves thus divided. QUADRILOCULAR. Four-celled, as a quadrilocular pericarp. QUADRIP'ARTITE. Having four di visions. vails, are required to remain on ship-board or in a lazaretto. The period of restraint is not always forty days. The length of it is determined by health officers appointed for the purpose. QUARANTIN'ED. The prohibition of all intercourse between a ship and its crew QUAD RIVALVE. Having four valves, with the shore for a limited period. as a quadrivalve pericarp. QUART. Quarta'rius. The fourth QUADROON'. Qua'teron. An off-part of a gallon. spring of a mulato woman by a white QUARTAN. A term applied to interman; quarter-blooded. mittent fever, the paroxysms of which QUADRU’MANA. Four-handed. Mam-occur every fourth day. miferous animals which have four hands, as monkeys. QUAD'RUPED. Four-footed; a term applied in Zoology to an animal which has four feet. QUADRUPLICI. Fourfold. QUARTAN AGUE. Intermittent fever, in which the paroxysms occur every fourth day, leaving an intermission of two days. In a double quartan, the paroxysms of one set occur in the intermissions of the other, leaving only one day of inter mission and two of paroxysms in succession. The paroxysms of one differ in duration or violence from those of the other. A triple quartan consists of a single quartan with regularly returning paroxysms, which, on every third day, correspond, the intervening ones being marked with a slighter or separate attack. A duplicate, or repeating quartan consists of a single quartan with two paroxysms on the regular day of attack. A triplicate quartan consists of a single quartan with three paroxysms on the regular day of attack. QUARTA'RIUS. A quart. QUARTATION. A term applied in Metallurgy to the fusing of silver and gold in the proportion of three to one prior to the separation of the former from the latter by means of nitric acid. Commonly, though incorrectly, this term is applied to the entire process of parting. QUARTI-STERNAL. Quartisterna'lis. A name given by Beclard to the fourth piece of the sternum, corresponding with the fourth intercostal space. QUARTZ. A German name, applied in Mineralogy to the purer varieties of silex, (silica,) occurring in pellucid glass crystals, of the form of a six-sided prism, each having a pyramidal shape. It is also found in masses, varying in color from transparent to opaque. Rose quartz is a rose-colored variety; amethyst, a violet; smoky quartz, a smoky brown; chalcedony, an uncrystallized variety, nearly white with a waxy lustre; cornelian, a red or flesh-colored chalcedony; agate, a chalcedony in concentric or parallel layers of different colors; flint, a brown or black variety; jasper, an opaque, yellow, brown, or red variety. Crystals of quartz are found, sometimes, enclosing a larger or a smaller quantity of water. One of this sort was presented to the author by Dr. Andrews of North Carolina. QUARTZIF'EROUS. A term applied by Dana to minerals which consist chiefly of quartz. QUARTZITE. A term applied by Dana to granular quartz. QUAS'SIA. The bitter wood of the Quassia excelsa. Also, a genus of plants of the order Simarubaceœ. QUASSIA AMA'RA. The Surinam quassia tree. It possesses tonic, stomachic, antiseptic and febrifuge properties. QUASSIA EXCEL'SA. The Jamaica or West India quassia; bitter-wood; bitterash. The wood possesses an intense and permanent bitter taste, and is much used by brewers to give additional bitterness to malt liquors. In moderate doses it acts as a tonic, and is used in dyspepsia and other disorders of the stomach and bowels. It is sometimes given in intermittent and malignant fevers. QUASSIA SIMAROU'BA. An officinal synonym of Simarouba Officinalis, which see. QUAS'SIN. The bitter principle of quassia. QUATERNARY. Having four parts or elements. QUATRIO. The astragalus. QUARTINE. In Botany, a term applied by Lindley to the fourth integument of a nucleus of a seed, counting from the outermost. QUEA'SINESS. Nausea. QUEA'SY. Affected with nausea. QUER CITRIN. The coloring principle of the bark of Quercus tinctoria, sometimes called quercitric acid. QUER CITRON. The bark of Quercus tinctoria, a highly valuable dye-stuff. QUER CUS. Oak. Also, a genus of trees of the order Cupulifera. QUERCUS AL'BA. The white oak. The bark is powerfully astringent and tonic. QUERCUS COCCIF'ERA. A species of oak infested by an insect belonging to the genus Coccus, and furnishing the Kermes dye. QUERCUS INFECTO'RIA. The gall oak, called, also, dyer's oak, is a small shrub rarely exceeding five or six feet in height. The morbid excrescences, called galls, (gallæ,) originate from punctures made in the young boughs and shoots of this species of oak by a hymenopterous insect. QUERCUS MARI'NA. Sea oak, or Fucus Vesiculosus, which see. QUERCUS MONTA'NA. The rock chest |