Macaca noun macaques; rhesus monkeys macadam



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pseudobulb - noun a solid bulblike enlargement of the stem of some orchids

  • pseudocarp - noun fruit containing much fleshy tissue besides that of the ripened ovary; as apple or strawberry

  • pseudococcus - noun type genus of the Pseudococcidae

  • pseudocyesis - noun physiological state in which a woman exhibits symptoms of pregnancy but is not pregnant

  • pseudoephedrine - noun poisonous crystalline alkaloid occurring with ephedrine and isomorphic with it

  • pseudohallucination - noun an image vivid enough to be a hallucination but recognized as unreal

  • pseudohermaphrodite - adj. having internal reproductive organs of one sex and external sexual characteristics of the other sex; noun someone having external genitalia of one sex and internal sex organs of the other sex; not a true hermaphrodite because there is no ambiguity in the sex of the external genitalia and hence no question about gender at birth

  • pseudohermaphroditic - adj. having internal reproductive organs of one sex and external sexual characteristics of the other sex

  • pseudohermaphroditism - noun congenital condition in which a person has external genitalia of one sex and internal sex organs of the other sex

  • pseudolarix - noun one species: golden larch

  • pseudomonas - noun type genus of the family Pseudomonodaceae

  • pseudonym - noun a fictitious name used when the person performs a particular social role

  • pseudonymous - adj. bearing or identified by an assumed (often pen) name

  • pseudoperipteral - adj. having columniation completely circling an area of the structure

  • pseudopod - noun temporary outgrowth used by some microorganisms as an organ of feeding or locomotion

  • pseudopodium - noun temporary outgrowth used by some microorganisms as an organ of feeding or locomotion

  • pseudoscientific - adj. based on theories and methods erroneously regarded as scientific

  • pseudoscorpion - noun small nonvenomous arachnid resembling a tailless scorpion

  • pseudoscorpiones - noun false scorpions

  • pseudoscorpionida - noun false scorpions

  • pseudotsuga - noun douglas fir; closely related to genera Larix and Cathaya

  • psidium - noun guavas

  • psilomelane - noun a mineral consisting of hydrated basic oxide of manganese and barium; a source of manganese

  • psilophytales - noun Paleozoic simple dichotomously branched plants of Europe and eastern Canada including the oldest known vascular land plants

  • psilophyte - noun any plant of the order Psilophytales: a savannah plant

  • psilophyton - noun any plant or fossil of the genus Psilophyton

  • psilosis - noun falling out of hair

  • psilotaceae - noun small family of lower ferns having nearly naked stems and minute scalelike leaves

  • psilotum - noun type genus of the Psilotaceae

  • psithyrus - noun a large bee that resembles the bumblebee but lacks pollen-collecting apparatus and a worker caste

  • psittacidae - noun coextensive with the order Psittaciformes

  • psittaciformes - noun an order of birds including parrots and amazons and cockatoos and lorikeets and lories and macaws and parakeets

  • psittacosis - noun an atypical pneumonia caused by a rickettsia microorganism and transmitted to humans from infected birds; infectious disease of birds

  • psittacus - noun type genus of the Psittacidae: usually restricted to the African grey

  • psoas - noun either of two muscles of the abdomen and pelvis that flex the trunk and rotate the thigh

  • psocid - noun small winged insect living on the bark and leaves of trees and feeding on e.g. fungi and decaying plant matter

  • psocidae - noun a family of small soft-bodied insects that feed on decaying vegetation; related to booklice

  • psoralea - noun widely distributed genus of herbs or shrubs with glandular compound leaves and spicate or racemose purple or white flowers

  • psoriasis - noun a chronic skin disease characterized by dry red patches covered with scales; occurs especially on the scalp and ears and genitalia and the skin over bony prominences

  • pst - noun standard time in the 8th time zone west of Greenwich, reckoned at the 120th meridian west; used in far western states of the United States

  • psychiatrical - adj. relating to or used in or engaged in the practice of psychiatry

  • psychical - adj. outside the sphere of physical science; affecting or influenced by the human mind

  • psychically - adv. from a psychic point of view

  • psychoanalytical - adj. of or relating to or incorporating the methods and theory of psychiatric treatment originated by Sigmund Freud

  • psychoanalyze - verb subject to psychoanalytic treatment

  • psychodidae - noun very small two-winged flies with hairy wings that develop in moss and damp vegetable matter: sand flies

  • psychogenesis - noun a general term for the origin and development of almost any aspect of the mind; the development in the life of an individual of some disorder that is caused by psychological rather than physiological factors

  • psychogenetic - adj. of or relating to the origin and development of the mind; of or relating to the psychological cause of a disorder

  • psychogenic - adj. mental or emotional rather than physiological in origin; of or relating to the psychological cause of a disorder

  • psychokinesis - noun the power to move something by thinking about it without the application of physical force

  • psychokinetic - adj. moving an object without apparent use of physical means

  • psychological - adj. mental or emotional as opposed to physical in nature; of or relating to or determined by psychology

  • psychologically - adv. with regard to psychology; in terms of psychology

  • psychologist - noun a scientist trained in psychology

  • psychometric - adj. of or relating to psychometrics

  • psychometrics - noun any branch of psychology concerned with psychological measurements

  • psychomotor - adj. of or relating to or characterizing mental events that have motor consequences or vice versa

  • psychoneurosis - noun a mental or personality disturbance not attributable to any known neurological or organic dysfunction

  • psychoneurotic - adj. affected with emotional disorder; noun a person suffering from neurosis

  • psychonomics - noun the branch of psychology that uses experimental methods to study psychological issues

  • psychopathologic - adj. suffering from an undiagnosed mental disorder

  • psychopathological - adj. suffering from an undiagnosed mental disorder

  • psychopathy - noun any disease of the mind; the psychological state of someone who has emotional or behavioral problems serious enough to require psychiatric intervention

  • psychophysicist - noun a psychologist trained in psychophysics

  • psychophysics - noun the branch of psychology concerned with quantitative relations between physical stimuli and their psychological effects

  • psychosexual - adj. of or relating to the mental or emotional attitudes about sexuality

  • psychosexuality - noun the mental representation of sexual activities

  • psychosurgery - noun brain surgery on human patients intended to relieve severe and otherwise intractable mental or behavioral problems

  • psychotherapeutics - noun the branch of psychiatry concerned with psychological methods

  • psychotria - noun tropical chiefly South American shrubs and trees

  • psychrometer - noun a hygrometer consisting of a dry-bulb thermometer and a wet-bulb thermometer; their difference indicates the dryness of the surrounding air

  • psylla - noun small active cicada-like insect with hind legs adapted for leaping; feeds on plant juices

  • psyllid - noun small active cicada-like insect with hind legs adapted for leaping; feeds on plant juices

  • psyllidae - noun jumping plant lice

  • pteridium - noun a genus of ferns belonging to the family Dennstaedtiaceae

  • pteridological - adj. of or relating to the study of ferns

  • pteridologist - noun an expert in the study of ferns

  • pteridology - noun the branch of botany that studies ferns

  • pteridophyta - noun containing all the vascular plants that do not bear seeds: ferns, horsetails, club mosses, and whisk ferns; in some classifications considered a subdivision of Tracheophyta

  • pteridophyte - noun plants having vascular tissue and reproducing by spores

  • pteridosperm - noun an extinct seed-producing fernlike plant of the order Cycadofilicales (or group Pteridospermae)

  • pteridospermae - noun used in some classification systems: a group of extinct fossil gymnosperms coextensive with the order Cycadofilicales

  • pteridospermaphyta - noun used in some classification systems: a group of extinct fossil gymnosperms coextensive with the order Cycadofilicales

  • pterion - noun the craniometric point in the region of the sphenoid fontanelle

  • pteris - noun large genus of terrestrial ferns of tropics and subtropics; sometimes placed in family Polypodiaceae

  • pterocarpus - noun genus of tropical trees or climbers having usually broadly winged pods

  • pterocarya - noun Asiatic nut trees: wing nuts

  • pterocles - noun type genus of the Pteroclididae

  • pterodactylidae - noun a reptile family in the order Pterosauria

  • pterodactylus - noun a reptile genus of Pterodactylidae

  • pteropsida - noun used in former classifications to include all ferns and flowering plants and divided into the three classes Filicinae and Gymnospermae and Angiospermae

  • pteropus - noun a genus of Megachiroptera

  • pterosaur - noun an extinct reptile of the Jurassic and Cretaceous having a birdlike beak and membranous wings supported by the very long fourth digit of each forelimb

  • pterosauria - noun extinct flying reptiles: pterosaurs

  • pterygium - noun either of two thickened triangular layers of conjunctiva extending from the nasal edge of the eye to the cornea; it arises from irritation of the pinguecula

  • ptilocercus - noun pentails

  • ptilonorhynchidae - noun bowerbirds

  • ptomain - noun any of various amines (such as putrescine or cadaverine) formed by the action of putrefactive bacteria

  • ptomaine - noun a term for food poisoning that is no longer in scientific use; food poisoning was once thought to be caused by ingesting ptomaines; any of various amines (such as putrescine or cadaverine) formed by the action of putrefactive bacteria

  • ptosis - noun drooping of the upper eyelid caused by muscle paralysis and weakness

  • ptyalin - noun an amylase secreted in saliva

  • ptyalism - noun excessive flow of saliva

  • ptyalize - verb expel or eject (saliva or phlegm or sputum) from the mouth

  • pu - noun a solid silvery grey radioactive transuranic element whose atoms can be split when bombarded with neutrons; found in minute quantities in uranium ores but is usually synthesized in nuclear reactors; 13 isotopes are known with the most important being plutonium 239

  • pubertal - adj. of or related to puberty

  • puberulent - adj. covered with fine soft hairs or down

  • pubes - noun the lower part of the abdomen just above the external genital organs

  • pubescence - noun the time of life when sex glands become functional

  • pubic - adj. relating or near the pubis

  • pubis - noun one of the three sections of the hipbone; together these two bones form the front of the pelvis

  • publican - noun the keeper of a public house

  • publicist - noun someone who publicizes

  • publicity - noun the quality of being open to public view; a message issued in behalf of some product or cause or idea or person or institution

  • publicize - verb make public; call attention to

  • publicly - adv. in a manner accessible to or observable by the public; openly; by the public or the people generally

  • publishable - adj. suitable for publication

  • publisher - noun a firm in the publishing business; a person engaged in publishing periodicals or books or music; the proprietor of a newspaper

  • puccinia - noun type genus of the Pucciniaceae; a large genus of parasitic fungi including many that are destructive to various economic plants

  • pucciniaceae - noun large important family of rust fungi

  • puccoon - noun perennial plant of eastern North America having hairy foliage yielding a red or yellow pigment; perennial woodland native of North America having a red root and red sap and bearing a solitary lobed leaf and white flower in early spring and having acrid emetic properties; rootstock used as a stimulant and expectorant

  • puce - noun a color varying from dark purplish brown to dark red

  • pucka - adj. absolutely first class and genuine

  • pucker - noun an irregular fold in an otherwise even surface (as in cloth); verb to gather something into small wrinkles or folds; become wrinkled or drawn together; draw fabric together and sew it tightly

  • puckerbush - noun evergreen aromatic shrubby tree of southeastern United States having small hard berries thickly coated with white wax used for candles

  • puckishly - adv. in an appealing but bold manner

  • puckishness - noun the trait of behaving like an imp

  • pud - noun (British) the dessert course of a meal (`pud' is used informally)

  • puddingheaded - adj. stupid and confused; used especially of persons

  • puddingwife - noun bluish and bronze wrasse; found from Florida keys to Brazil

  • puddler - noun a worker who turns pig iron into wrought iron by puddling

  • pudendal - adj. of or relating to or near the pudendum

  • pudendum - noun human external genital organs collectively especially of a female

  • pudge - noun a short fat person

  • pudginess - noun the property of having a plump and round body

  • pudgy - adj. short and plump

  • pueraria - noun genus of woody Asiatic vines: kudzu

  • puerility - noun a property characteristic of a child; the state of a child between infancy and adolescence

  • puerpera - noun a woman in childbirth or shortly thereafter

  • puerperal - adj. relating to or connected with or occurring at the time of childbirth or shortly following, or to the woman who has just given birth

  • puerperium - noun time period following childbirth when the mother's uterus shrinks and the other functional and anatomic changes of pregnancy are resolved

  • puffbird - noun brownish tropical American bird having a large head with fluffed out feathers

  • puffer - noun any of numerous marine fishes whose elongated spiny body can inflate itself with water or air to form a globe; several species contain a potent nerve poison; closely related to spiny puffers; delicacy that is highly dangerous because of a potent nerve poison in ovaries and liver

  • puffiness - noun lack of elegance as a consequence of being pompous and puffed up with vanity; abnormal protuberance or localized enlargement

  • puffing - noun an act of forcible exhalation; blowing tobacco smoke out into the air

  • puffinus - noun shearwaters

  • pugilism - noun fighting with the fists

  • pugilist - noun someone who fights with his fists for sport

  • pugilistic - adj. of or relating to pugilism or pugilists

  • pugnaciously - adv. in a pugnacious manner

  • pugnacity - noun a natural disposition to be hostile

  • puissance - noun power to influence or coerce

  • pujunan - noun a Penutian language spoken by the Maidu

  • puka - noun small roundheaded New Zealand tree having large resinous leaves and panicles of green-white flowers; South American shrub or small tree having long shining evergreen leaves and panicles of green or yellow flowers

  • pukka - adj. absolutely first class and genuine

  • puku - noun an African antelope closely related to the waterbuck

  • pul - noun 100 puls equal 1 afghani in Afghanistan

  • pulasan - noun fruit of an East Indian tree similar to the rambutan but sweeter; East Indian fruit tree bearing fruit similar to but sweeter than that of the rambutan

  • pulchritude - noun physical beauty (especially of a woman)

  • pulchritudinous - adj. used of persons only; having great physical beauty

  • pule - verb cry weakly or softly

  • pulex - noun type genus of the Pulicidae

  • pulicidae - noun many common fleas attacking humans and domestic animals

  • puller - noun someone who pulls or tugs or drags in an effort to move something; someone who applies force so as to cause motion toward herself or himself

  • pullet - noun young hen usually less than a year old; flesh of a medium-sized young chicken suitable for frying

  • pullulate - verb breed freely and abundantly; become abundant; increase rapidly; produce buds, branches, or germinate; move in large numbers; be teeming, be abuzz

  • pullulation - noun a rapid and abundant increase; asexual reproduction in which a local growth on the surface or in the body of the parent becomes a separate individual

  • pulmonata - noun large order of gastropods usually breathing by means of a lung-like sac comprising most land snails and slugs and many freshwater snails

  • pulmonic - adj. relating to or affecting the lungs

  • pulpiness - noun a mushy pulpy softness

  • pulpwood - noun softwood used to make paper

  • pulpy - adj. like a pulp or overripe; not having stiffness

  • pulque - noun fermented Mexican drink from juice of various agave plants especially the maguey

  • pulsatilla - noun includes a group of plants that in some classifications are included in the genus Anemone: pasqueflowers

  • pulsation - noun (electronics) a sharp transient wave in the normal electrical state (or a series of such transients); a periodically recurring phenomenon that alternately increases and decreases some quantity; the rhythmic contraction and expansion of the arteries with each beat of the heart

  • pulseless - adj. appearing dead; not breathing or having no perceptible pulse

  • pulverization - noun annihilation by pulverizing something; the act of grinding to a powder or dust; a solid substance in the form of tiny loose particles; a solid that has been pulverized

  • pulverize - verb make into a powder by breaking up or cause to become dust; become powder or dust; destroy completely

  • pumpernickel - noun bread made of coarse rye flour

  • pun (prank understandings numerous)

  • punchboard - noun a small board full of holes; each hole contains a slip of paper with symbols printed on it; a gambler pays a small sum for the privilege of pushing out a slip in the hope of obtaining one that entitles him to a prize

  • puncher - noun someone who delivers punches; a tool for making holes or indentations; a hired hand who tends cattle and performs other duties on horseback

  • punctilio - noun strict observance of formalities; a fine point of etiquette or petty formality

  • punctilious - adj. marked by precise accordance with details

  • punctiliously - adv. in a punctilious manner

  • punctiliousness - noun strict attention to minute details

  • punctuality - noun the quality or habit of adhering to an appointed time

  • punctually - adv. at the proper time
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