<B>periproct, </B>noun.<DL COMPACT><DD> the part of the body of various invertebrates which surrounds the anus. <BR> <I>Ex. the periproct of an echinoderm.</I> </DL>
<A NAME="peripteral">
<B>peripteral, </B>adjective.<DL COMPACT><DD> surrounded by a single row of columns, as a temple. </DL>
<A NAME="periptery">
<B>periptery, </B>noun, pl. <B>-teries.</B><DL COMPACT><DD><B> 1. </B>the air immediately surrounding a flying or falling object, such as a bird, aircraft, or bomb, containing cyclic or vertical air disturbances. <DD><B> 2. </B>a peripteral building. </DL>
<A NAME="perique">
<B>perique, </B>noun.<DL COMPACT><DD> a strongly flavored, dark tobacco grown in Louisiana. <BR> <I>Ex. Perique, prized because of its rich flavor, is cured by putting the leaves under great pressure (Roy Flannagan).</I> </DL>
<A NAME="perisarc">
<B>perisarc, </B>noun.<DL COMPACT><DD> the external horny or chitinous covering of certain hydrozoans. </DL>
<A NAME="periscope">
<B>periscope, </B>noun.<DL COMPACT><DD><B> 1. </B>an instrument that allows those in a submarine or trench to see a view of the surface. It is a tube with an arrangement of prisms or mirrors that reflect light rays down a vertical tube. The periscope works on the principle that the angle of reflection equals the angle of incidence. <DD><B> 2. </B>a periscopic lens. adj. <B>periscopelike.</B> </DL>
<A NAME="periscopic">
<B>periscopic, </B>adjective.<DL COMPACT><DD><B> 1. </B>giving distinct vision obliquely as well as in a direct line. <BR> <I>Ex. a periscopic lens.</I> <DD><B> 2. </B>of or having to do with periscopes. </DL>
<A NAME="periselenium">
<B>periselenium, </B>noun.<DL COMPACT><DD> the point in an elliptical orbit around the moon that is closest to the moon. </DL>
<A NAME="perish">
<B>perish, </B>intransitive verb.<DL COMPACT><DD><B> 1. </B>to be destroyed; die. <BR> <I>Ex. Buildings perish in flames. Soldiers perish in battle. Flowers perish when frost comes. I felt ready to perish with cold.</I> <DD><B> 2. </B>to come to ruin morally or spiritually; come to an end. <BR> <I>Ex. Except ye repent, ye shall all likewise perish (Luke 13:3).</I> <DD><I>v.t. </I> <B>1. </B>(Dialect.) to injure severely. <DD><B> 2. </B>(Archaic.) to put an end to; destroy; kill. <BR> <I>Ex. We charm man's life and do not perish it (Thomas Hood).</I> </DL>
<B>perishable, </B>adjective, noun.<DL COMPACT><DD><I>adj. </I> <B>1. </B>liable to spoil or decay. <BR> <I>Ex. Fruit is perishable.</I> <DD><B> 2. </B>liable to perish; that perishes. <BR> <I>Ex. the perishable enthusiasm of youth.</I> <DD><I>noun </I> Usually, <B>perishables,</B> something perishable, especially food, flowers, or the like. noun <B>perishableness.</B> </DL>
<B>perispore, </B>noun.<DL COMPACT><DD> the outer membrane or covering of a spore. </DL>
<A NAME="perissad">
<B>perissad, </B>noun, adjective.<DL COMPACT><DD><I>noun </I> an atom or element whose valence is expressed by an odd number. <DD><I>adj. </I> having the valence expressed by an odd number. </DL>
<A NAME="perissodactyl">
<B>perissodactyl</B> or <B>perissodactyle, </B>noun, adjective.<DL COMPACT><DD> (Zoology.) <DD><I>noun </I> any one of a large order of quadruped mammals having an odd number of hoofed toes on each foot, the third being the largest and sometimes the only functional one. Horses, tapirs, and rhinoceroses belong to this order. <DD><I>adj. </I> having an uneven number of toes. </DL>
<A NAME="peristalsis">
<B>peristalsis, </B>noun, pl. <B>-ses.</B><DL COMPACT><DD> a movement in the wall of a hollow organ by which its contents are moved onward, such as the wavelike, circular contractions of the alimentary canal. </DL>
<A NAME="peristaltic">
<B>peristaltic, </B>adjective.<DL COMPACT><DD> of or having to do with peristalsis. <BR> <I>Ex. peristaltic contractions.</I> adv. <B>peristaltically.</B> </DL>
<A NAME="peristome">
<B>peristome, </B>noun.<DL COMPACT><DD><B> 1. </B>(Botany.) the one or two rings or fringes of toothlike appendages around the mouth of the capsule or theca in mosses. <DD><B> 2. </B>(Zoology.) any special structure or set of parts around the mouth or oral opening in various invertebrates. </DL>
<A NAME="peristomial">
<B>peristomial, </B>adjective.<DL COMPACT><DD> of or having to do with a peristome. </DL>
<A NAME="peristylar">
<B>peristylar, </B>adjective.<DL COMPACT><DD> of, having to do with, or like a peristyle. </DL>
<A NAME="peristyle">
<B>peristyle, </B>noun.<DL COMPACT><DD><B> 1. </B>a row of columns surrounding a building, court, or the like. (SYN) colonnade. <DD><B> 2. </B>a space or court so enclosed. </DL>
<A NAME="peristylium">
<B>peristylium, </B>noun, pl. <B>-stylia.</B><DL COMPACT><DD> the peristyle of an ancient Roman dwelling. </DL>
<A NAME="peritectic">
<B>peritectic, </B>adjective.<DL COMPACT><DD> neither solid nor liquid; being intermediate between the solid and liquid phases of a melt. <BR> <I>Ex. a peritectic compound.</I> </DL>
<A NAME="perithecial">
<B>perithecial, </B>adjective.<DL COMPACT><DD> of or having to do with the perithecium. </DL>
<A NAME="perithecium">
<B>perithecium, </B>noun, pl. <B>-cia.</B><DL COMPACT><DD> the fruit of certain fungi, usually a rounded or flask-shaped receptacle with a narrow opening, enclosing the asci or spore sacs. </DL>
<A NAME="peritoneal">
<B>peritoneal, </B>adjective.<DL COMPACT><DD> of the peritoneum. </DL>
<A NAME="peritoneum">
<B>peritoneum, </B>noun, pl. <B>-nea.</B><DL COMPACT><DD> the thin membrane that lines the walls of the abdomen and covers the organs in it. The peritoneum is a thin, transparent structure with many folds, such as the omentum and mesentery. </DL>
<A NAME="peritonitis">
<B>peritonitis, </B>noun.<DL COMPACT><DD> inflammation of the peritoneum. </DL>
<A NAME="peritonsillarabscess">
<B>peritonsillar abscess, =quinsy.</B></DL>
<A NAME="peritricha">
<B>peritricha, </B>noun pl.<DL COMPACT><DD> bacteria with the cilia (organs of locomotion) around the entire body. </DL>
<A NAME="peritrichous">
<B>peritrichous, </B>adjective.<DL COMPACT><DD><B> 1. </B>having a band of cilia around the body. <DD><B> 2. </B>of or having to do with peritricha. adv. <B>peritrichously.</B> </DL>
<A NAME="peritus">
<B>peritus, </B>noun, pl. <B>-ti.</B><DL COMPACT><DD> a theological advisor or consultant in the Roman Catholic Church. </DL>
<A NAME="perivascular">
<B>perivascular, </B>adjective.<DL COMPACT><DD> surrounding a blood vessel. <BR> <I>Ex. perivascular areas of the heart.</I> </DL>
<A NAME="perivisceral">
<B>perivisceral, </B>adjective.<DL COMPACT><DD> surrounding and containing viscera. The perivisceral cavity is the general body cavity containing the alimentary canal and its appendages. </DL>
<A NAME="periwig">
<B>periwig, </B>noun. <B>=peruke.</B></DL>
<A NAME="periwigged">
<B>periwigged, </B>adjective.<DL COMPACT><DD> wearing a periwig. </DL>
<A NAME="periwinkle">
<B>periwinkle</B> (1), noun.<DL COMPACT><DD><B> 1. </B>a low, trailing evergreen plant with blue, white, or purplish flowers. There are several kinds, making up a genus of the dogbane family. The American periwinkle is called myrtle. <DD><B> 2. </B>a light-blue color. </DL>
<A NAME="periwinkle">
<B>periwinkle</B> (2), noun.<DL COMPACT><DD><B> 1a. </B>a sea snail with a thick, cone-shaped, spiral shell, used for food in Europe. There are several kinds, making up a genus of mollusks. <DD><B> b. </B>the shell of this snail or of certain other marine univalve mollusks. <DD><B> 2. </B>any one of certain other relatively large marine snails used for food; winkle. <DD><B> 3. </B>a kind of freshwater snail of the southern United States. </DL>
<A NAME="perjure">
<B>perjure, </B>transitive verb, <B>-jured,</B> <B>-juring.</B><DL COMPACT><DD> to make (oneself) guilty of perjury. <BR><I>expr. <B>perjure oneself,</B> </I>to swear falsely; lie under oath; swear that something is true which one knows to be false. <BR> <I>Ex. The witness perjured himself by lying about what he did on the night of the crime.</I> </DL>
<A NAME="perjured">
<B>perjured, </B>adjective.<DL COMPACT><DD><B> 1. </B>guilty of perjury. <BR> <I>Ex. a perjured witness.</I> (SYN) forsworn. <DD><B> 2. </B>characterized by or involving perjury. <BR> <I>Ex. perjured evidence.</I> </DL>
<A NAME="perjurer">
<B>perjurer, </B>noun.<DL COMPACT><DD> a person who commits or is guilty of perjury. </DL>
<B>perjury, </B>noun, pl. <B>-ries.</B><DL COMPACT><DD><B> 1. </B>the act or crime of swearing that something is true which one knows to be false, or of withholding testimony while under oath. <DD><B> 2. </B>a violation of a promise made on oath to do or not to do something. <BR> <I>Ex. If thou swear'st, Thou mayst prove false; at lovers' perjuries, They say, Jove laughs (Shakespeare).</I> </DL>