Webster's Dictionary, 1913

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Perflation noun [ Latin perflatio .] The act of perflating. [ Obsolete] Woodward.

Perfoliate adjective [ Prefix per- + Latin folium leaf.]
1. (Botany) Having the basal part produced around the stem; -- said of leaves which the stem apparently passes directory through.

2. (Zoology) Surrounded by a circle of hairs, or projections of any kind.

Perforata (pẽr`fo*rā"tȧ) noun plural [ New Latin See Perforate .] (Zoology) (a) A division of corals including those that have a porous texture, as Porites and Madrepora; -- opposed to Aporosa . (b) A division of Foraminifera, including those having perforated shells.

Perforate (pẽr"fo*rāt) transitive verb [ imperfect & past participle Perforated (- rā`tĕd); present participle & verbal noun Perforating .] [ Latin perforatus , past participle of perforare to perforate; per through + forare to bore. See Bore , v. ] To bore through; to pierce through with a pointed instrument; to make a hole or holes through by boring or piercing; to pierce or penetrate the surface of. Bacon.

Perforate (pẽr"fo*rat), Per"fo*ra`ted (pẽr"fo*rā"tĕd) adjective Pierced with a hole or holes, or with pores; having transparent dots resembling holes.

Perforation noun [ Confer French perforation .]
1. The act of perforating, or of boring or piercing through. Bacon.

2. A hole made by boring or piercing; an aperture. "Slender perforations ." Sir T. Browne.

Perforative adjective [ Confer French perforatif .] Having power to perforate or pierce.

Perforator noun [ Confer French perforateur .] One who, or that which, perforates; esp., a cephalotome.

Perforce adverb [ French par (L. per ) + force .] By force; of necessary; at any rate. Shak.

Perforce transitive verb To force; to compel. [ Obsolete]

Perform transitive verb [ imperfect & past participle Performed ; present participle & verbal noun Performing .] [ Middle English performen , parfourmen , parfournen , Old French parfornir , parfournir , to finish, complete; Old French & French par (see Par ) + fournir to finish, complete. The word has been influenced by form ; confer Latin performare to form thoroughly. See Furnish .]
1. To carry through; to bring to completion; to achieve; to accomplish; to execute; to do.

I will cry unto God most high, unto God that performeth all things for me.
Ps. lvii. 2.

Great force to perform what they did attempt.
Sir P. Sidney.

2. To discharge; to fulfill; to act up to; as, to perform a duty; to perform a promise or a vow.

To perform your father's will.

3. To represent; to act; to play; as in drama.

Perform a part thou hast not done before.

Syn. -- To accomplish; do; act; transact; achieve; execute; discharge; fulfill; effect; complete; consummate. See Accomplish .

Perform intransitive verb To do, execute, or accomplish something; to acquit one's self in any business; esp., to represent sometimes by action; to act a part; to play on a musical instrument; as, the players perform poorly; the musician performs on the organ.

Performable adjective Admitting of being performed, done, or executed; practicable.

Performance noun The act of performing; the carrying into execution or action; execution; achievement; accomplishment; representation by action; as, the performance of an undertaking of a duty.

Promises are not binding where the performance is impossible.

2. That which is performed or accomplished; a thing done or carried through; an achievement; a deed; an act; a feat; esp., an action of an elaborate or public character. "Her walking and other actual performances ." Shak. "His musical performances ." Macaulay.

Syn. -- Completion; consummation; execution; accomplishment; achievement; production; work; act; action; deed; exploit; feat.

Performer noun One who performs, accomplishes, or fulfills; as, a good promiser, but a bad performer ; especially, one who shows skill and training in any art; as, a performer of the drama; a performer on the harp.

Perfricate transitive verb [ Latin perfricatus , past participle of perfricare .] To rub over. Bailey.

Perfumatory adjective Emitting perfume; perfuming. [ R.] Sir E. Leigh.

Perfume transitive verb [ imperfect & past participle Perfumed ; present participle & verbal noun Perfuming .] [ French parfumer (cf. Spanish perfumar ); par (see Par ) + fumer to smoke, Latin fumare , from fumus smoke. See Fume .] To fill or impregnate with a perfume; to scent.

And Carmel's flowery top perfumes the skies.

Perfume noun [ French parfum ; confer Spanish perfume . See Perfume , v. ]
1. The scent, odor, or odoriferous particles emitted from a sweet-smelling substance; a pleasant odor; fragrance; aroma.

No rich perfumes refresh the fruitful field .

2. A substance that emits an agreeable odor.

And thou shalt make it a perfume .
Ex. xxx. 35.

Perfumer noun
1. One who, oe that which, perfumes.

2. One whose trade is to make or sell perfumes.

Perfumery noun
1. Perfumes, in general.

2. [ Confer French parfumerie .] The art of preparing perfumes.

Perfunctorily adverb In a perfunctory manner; formally; carelessly. Boyle.

Perfunctoriness noun The quality or state of being perfunctory.

Perfunctory adjective [ Latin perfunctorius , from perfunctus dispatched, past participle of perfungi to discharge, dispatch; per (see Per ) + fungi to perform. See Function .]
1. Done merely to get rid of a duty; performed mechanically and as a thing of rote; done in a careless and superficial manner; characterized by indifference; as, perfunctory admonitions. Macaulay.

2. Hence: Mechanical; indifferent; listless; careless. " Perfunctory in his devotions." Sharp.

Perfuncturate transitive verb To perform in a perfunctory manner; to do negligently. [ R.]

Perfuse transitive verb [ imperfect & past participle Perfused ; present participle & verbal noun Perfusing .] [ Latin perfusus , past participle of perfundere to pour over; per + fundere to pour.] To suffuse; to fill full or to excess. Harvey.

Perfusion noun [ Latin perfusio .] The act of perfusing.

Perfusive adjective Of a nature to flow over, or to spread through.

Pergamenous, Pergamentaceous adjective [ Latin pergamena parchment. See Parchment .] Like parchment.

Pergola noun [ Italian , from Latin pergula shed, shop, vine arbor.] Lit., an arbor or bower; specif.: (Italian art) An arbor or trellis treated architecturally, as with stone columns or similar massive structure.

Pergolo noun [ Italian ] A continuous colonnade or arcade; -- applied to the decorative groups of windows, as in Venetian palazzi.

Perhaps adverb [ Per + hap chance.] By chance; peradventure; perchance; it may be.

And pray God, if perhaps the thought of thine heart may be forgiven thee.
Acts viii. 22.

Peri noun ; plural Peris . [ Persian perī a female genus, a fairy.] (Persian Myth.) An imaginary being, male or female, like an elf or fairy, represented as a descendant of fallen angels, excluded from paradise till penance is accomplished. Moore.

Peri- [ Greek ..., preposition ] A prefix used to signify around , by , near , over , beyond , or to give an intensive sense; as, peri meter, the measure around; peri gee, point near the earth; peri ergy, work beyond what is needed; peri spherical, quite spherical.

Periœci, Periœcians noun plural [ New Latin perioeci , from Greek ...; ... around + ... house, dwelling.] 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 Antœci .

Periagua noun See Pirogue .

Perianth noun [ Prefix peri- + Greek ... flower: confer French périanthe .] (Botany) (a) The leaves of a flower generally, especially when the calyx and corolla are not readily distinguished. (b) A saclike involucre which incloses the young fruit in most hepatic mosses. See Illust. of Hepatica .

Perianthium noun [ New Latin ] (Botany) The perianth.

Periapt noun [ Greek ..., from ... hung about, ... to hang about; ... about + ... to tie: confer French périapte .] A charm worn as a protection against disease or mischief; an amulet. Coleridge.

Now help, ye charming spells and periapts .

Periastral adjective Among or around the stars. "Comets in periastral passage." R. A. Proctor.

Periastron noun [ New Latin , from Greek ... about + ... a star.] (Astron.) That point, in the real or apparent orbit of one star revolving around another, at which the former is nearest to the latter.

Periauger noun See Pirogue . W. Irving.

Periblast adjective [ Greek ... to grow around. See Peri- , and -blast .] (Biol.) The protoplasmic matter which surrounds the entoblast, or cell nucleus, and undergoes segmentation. -- Per`i*blas"tic , adjective

Periblem noun [ Prefix peri- + root of Greek ... to sprout.] (Botany) Nascent cortex, or immature cellular bark.

Peribolos noun [ Nl., from Greek ..., from ..., adj., going round, from ... to throw round; confer Latin peribolus .] In ancient architecture, an inclosed court, esp., one surrounding a temple.

Peribranchial adjective (Anat.) Surrounding the branchiæ; as, a peribranchial cavity.

Pericambium noun [ New Latin See Peri- , and Cambium .] (Biol.) A layer of thin-walled young cells in a growing stem, in which layer certain new vessels originate.

Pericardiac, Pericardial adjective (Anat.) Of or pertaining to pericardium; situated around the heart.

Pericardial fluid (Physiol.) , a serous fluid of a pale yellow color contained in the pericardium.

Pericardian adjective Pericardiac.