Webster's Unabridged Dictionary - Letter P - Page 42

Perigonium (n.) Same as Perigone.

Perigord pie () A pie made of truffles, much esteemed by epicures.

Perigraph (n.) A careless or inaccurate delineation of anything.

Perigynia (pl. ) of Perigynium

Perigynium (n.) Some unusual appendage about the pistil, as the bottle-shaped body in the sedges, and the bristles or scales in some other genera of the Sedge family, or Cyperaceae.

Perigynous (a.) Having the ovary free, but the petals and stamens borne on the calyx; -- said of flower such as that of the cherry or peach.

Perihelia (pl. ) of Perihelium

Perihelion (n.) Alt. of Perihelium

Perihelium (n.) That point of the orbit of a planet or comet which is nearest to the sun; -- opposed to aphelion.

Peril (n.) Danger; risk; hazard; jeopardy; exposure of person or property to injury, loss, or destruction.

Periled (imp. & p. p.) of Peril

Perilled () of Peril

Periling (p. pr. & vb. n.) of Peril

Perilling () of Peril

Peril (v. t.) To expose to danger; to hazard; to risk; as, to peril one's life.

Peril (v. i.) To be in danger.

Perilla (n.) A genus of labiate herbs, of which one species (Perilla ocimoides, or P. Nankinensis) is often cultivated for its purple or variegated foliage.

Perilous (a.) Full of, attended with, or involving, peril; dangerous; hazardous; as, a perilous undertaking.

Perilous (a.) Daring; reckless; dangerous.

Perilymph (n.) The fluid which surrounds the membranous labyrinth of the internal ear, and separates it from the walls of the chambers in which the labyrinth lies.

Perilymphangial (a.) Around, or at the side of, a lymphatic vessel.

Perilymphatic (a.) Pertaining to, or containing, perilymph.

Perilymphatic (a.) Perilymphangial.

Perimeter (n.) The outer boundary of a body or figure, or the sum of all the sides.

Perimeter (n.) An instrument for determining the extent and shape of the field of vision.

Perimetric (a.) Alt. of Perimetrical

Perimetrical (a.) Of or pertaining to the perimeter, or to perimetry; as, a perimetric chart of the eye.

Perimetry (n.) The art of using the perimeter; measurement of the field of vision.

Perimorph (n.) A crystal of one species inclosing one of another species. See Endomorph.

Perimysial (a.) Surrounding a muscle or muscles.

Perimysial (a.) Of or pertaining to the perimysium.

Perimysium (n.) The connective tissue sheath which surrounds a muscle, and sends partitions inwards between the bundles of muscular fibers.

Perinaeum (n.) See Perineum.

Perineal (a.) Of or pertaining to the perineum.

Perineoplasty (n.) The act or process of restoring an injured perineum.

Perineorrhaphy (n.) The operation of sewing up a ruptured perineum.

Perinephritis (n.) Inflammation of the cellular tissue around the kidney.

Perineum (n.) The region which is included within the outlet of the pelvis, and is traversed by the urinogenital canal and the rectum.

Perineurial (a.) Surrounding nerves or nerve fibers; of or pertaining to the perineurium.

Perineurium (n.) The connective tissue sheath which surrounds a bundle of nerve fibers. See Epineurium, and Neurilemma.

Perinuclear (a.) Of or pertaining to a nucleus; situated around a nucleus; as, the perinuclear protoplasm.

Period (n.) A portion of time as limited and determined by some recurring phenomenon, as by the completion of a revolution of one of the heavenly bodies; a division of time, as a series of years, months, or days, in which something is completed, and ready to recommence and go on in the same order; as, the period of the sun, or the earth, or a comet.

Period (n.) A stated and recurring interval of time; more generally, an interval of time specified or left indefinite; a certain series of years, months, days, or the like; a time; a cycle; an age; an epoch; as, the period of the Roman republic.

Period (n.) One of the great divisions of geological time; as, the Tertiary period; the Glacial period. See the Chart of Geology.

Period (n.) The termination or completion of a revolution, cycle, series of events, single event, or act; hence, a limit; a bound; an end; a conclusion.

Period (n.) A complete sentence, from one full stop to another; esp., a well-proportioned, harmonious sentence.

Period (n.) The punctuation point [.] that marks the end of a complete sentence, or of an abbreviated word.

Period (n.) One of several similar sets of figures or terms usually marked by points or commas placed at regular intervals, as in numeration, in the extraction of roots, and in circulating decimals.

Period (n.) The time of the exacerbation and remission of a disease, or of the paroxysm and intermission.

Period (n.) A complete musical sentence.

Period (v. t.) To put an end to.

Period (v. i.) To come to a period; to conclude. [Obs.] "You may period upon this, that," etc.

Periodate (n.) A salt of periodic acid.

Periodic (a.) Pertaining to, derived from, or designating, the highest oxygen acid (HIO/) of iodine.

Periodic (a.) Alt. of Periodical

Periodical (a.) Of or pertaining to a period or periods, or to division by periods.

Periodical (a.) Performed in a period, or regular revolution; proceeding in a series of successive circuits; as, the periodical motion of the planets round the sun.

Periodical (a.) Happening, by revolution, at a stated time; returning regularly, after a certain period of time; acting, happening, or appearing, at fixed intervals; recurring; as, periodical epidemics.

Periodical (a.) Of or pertaining to a period; constituting a complete sentence.

Periodical (n.) A magazine or other publication which appears at stated or regular intervals.

Periodicalist (n.) One who publishes, or writes for, a periodical.

Periodically (adv.) In a periodical manner.

Periodicalness (n.) Periodicity.

Periodicities (pl. ) of Periodicity

Periodicity (n.) The quality or state of being periodical, or regularly recurrent; as, the periodicity in the vital phenomena of plants.

Periodide (n.) An iodide containing a higher proportion of iodine than any other iodide of the same substance or series.

Periodontal (a.) Surrounding the teeth.

Periodoscope (n.) A table or other means for calculating the periodical functions of women.

Perioeci (n. pl.) Alt. of Perioecians

Perioecians (n. pl.) Those who live on the same parallel of latitude but on opposite meridians, so that it is noon in one place when it is midnight in the other. Compare Antoeci.

Periople (n.) The external smooth horny layer of the hoof of the horse and allied animals.

Perioplic (a.) Of or pertaining to the periople; connected with the periople.

Periosteal (a.) Situated around bone; of or pertaining to the periosteum.

Periosteum (n.) The membrane of fibrous connective tissue which closely invests all bones except at the articular surfaces.

Periostitis (n.) Inflammation of the periosteum.

Periostraca (pl. ) of Periostracum

Periostracum (n.) A chitinous membrane covering the exterior of many shells; -- called also epidermis.

Periotic (a.) Surrounding, or pertaining to the region surrounding, the internal ear; as, the periotic capsule.

Periotic (n.) A periotic bone.

Peripatecian (n.) A peripatetic.

Peripatetic (a.) Walking about; itinerant.

Peripatetic (a.) Of or pertaining to the philosophy taught by Aristotle (who gave his instructions while walking in the Lyceum at Athens), or to his followers.

Peripatetic (n.) One who walks about; a pedestrian; an itinerant.

Peripatetic (n.) A disciple of Aristotle; an Aristotelian.

Peripatetical (a.) Peripatetic.

Peripateticism (n.) The doctrines or philosophical system of the peripatetics. See Peripatetic, n., 2.

Peripatus (n.) A genus of lowly organized arthropods, found in South Africa, Australia, and tropical America. It constitutes the order Malacopoda.

Peripetalous (a.) Surrounding, or situated about, the petals.

Peripheral (a.) Of or pertaining to a periphery; constituting a periphery; peripheric.

Peripheral (a.) External; away from the center; as, the peripheral portion of the nervous system.

Peripheric (a.) Alt. of Peripherical

Peripherical (a.) See Peripheral.

Peripheries (pl. ) of Periphery

Periphery (n.) The outside or superficial portions of a body; the surface.

Periphery (n.) The circumference of a circle, ellipse, or other figure.

Periphrase (n.) The use of more words than are necessary to express the idea; a roundabout, or indirect, way of speaking; circumlocution.

Periphrased (imp. & p. p.) of Periphrase

Periphrasing (p. pr. & vb. n.) of Periphrase

Periphrase (v. t.) To express by periphrase or circumlocution.

Periphrase (v. i.) To use circumlocution.

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