Copy of `Princeton University - WordNet - a lexical database for the English language`

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Princeton University - WordNet - a lexical database for the English language Category: General Date & country: 27/01/2008, USA Words: 85192

pegmatite
noun a form of igneous rock consisting of extremely coarse granite resulting from the crystallization of magma rich in rare elements

Peirce
Charles Peirce noun United States philosopher and logician; pioneer of pragmatism (1839-1914)

Peirce
noun United States mathematician and astronomer remembered for his studies of Uranus and Saturn and Neptune (1809-1880)

pejoratively
adverb in a pejorative manner; `I am not using the word pejoratively`

Pekinese
Pekingese noun a Chinese breed of small short-legged dogs with a long silky coat and broad flat muzzle

Peking man
noun fossils found near Beijing, China; they were lost during World War II

Pelagianism
noun the theological doctrine put forward by Pelagius which denied original sin and affirmed the ability of humans to be righteous; condemned as heresy by the Council of Ephesus in 431

pelagic bird
oceanic bird noun bird of the open seas

Pelagius
noun a British or Irish monk who denied the doctrines of original sin and predestination and defended human goodness and free will; his views were declared heretical by the Council of Ephesus in 431 (circa 360-418)

Pelargonium
genus Pelargonium noun geraniums native chiefly to South Africa; widely cultivated

Pelargonium limoneum
noun a common garden geranium with lemon-scented foliage

Pelecanidae
family Pelecanidae noun pelicans

pelecaniform seabird
noun large fish-eating seabird with four-toed webbed feet

Pelecaniformes
order Pelecaniformes noun pelicans; frigate birds; gannets; cormorants

Pelecanoididae
family Pelecanoididae noun diving petrels

Pelecanus
genus Pelecanus noun type genus of the Pelecanidae

Peleus
noun a king of the Myrmidons and father of Achilles

Pelham
noun a bit with a bar mouthpiece that is designed to combine a curb and snaffle

pelican
noun large long-winged warm-water seabird having a large bill with a distensible pouch for fish

pelican crossing
noun an acronym for pedestrian light control; a pedestrian crossing with traffic lights that are controlled by pedestrians

pelisse
noun a sleeveless cape that is lined or trimmed with fur

Pellaea
genus Pellaea noun genus of chiefly small rock-loving ferns; in some classification systems it is placed in the family Polypodiaceae or Adiantaceae

Pellaea rotundifolia
noun fern of New Zealand and Australia having trailing fronds with dark green buttonlike leaflets

pellagra
Alpine scurvy noun a disease caused by deficiency of niacin or tryptophan (or by a defect in the metabolic conversion of tryptophan to niacin); characterized by gastrointestinal disturbances and erythema and nervous or mental disorders; may be caused by malnutrition or alcoholism or other nutritional impairments

pellet
noun a small sphere

pellicle
noun thin protective membrane in some protozoa

Pellicularia
genus Pellicularia noun genus of fungi having the hymenium in the form of a crust; some species formerly placed in form genus Rhizoctinia

pellitory
Anacyclus pyrethrum noun small Mediterranean plant containing a volatile oil once used to relieve toothache

pellitory-of-Spain
Anacyclus pyrethrum noun small Mediterranean plant containing a volatile oil once used to relieve toothache

pellitory-of-the-wall
wall pellitory noun herb that grows in crevices having long narrow leaves and small pink apetalous flowers

pellucidness
pellucidity noun passing light without diffusion or distortion

Pelobatidae
family Pelobatidae noun the amphibian family of spadefoot toads

Peloponnese
Peloponnesus noun the southern peninsula of Greece; dominated by Sparta until the 4th century BC

Peloponnesian
adjective of or relating to Peloponnesus; `Peloponnesian War`

Peloponnesian War
noun a war in which Athens and its allies were defeated by the league centered on Sparta; 431-404 BC

Peltandra
genus Peltandra noun small genus of North American marsh or aquatic herbs

peltate
shield-shaped adjective of a leaf shape; round, with the stem attached near the center of the lower surface rather than the margin (as a nasturtium leaf for example)

peltate leaf
noun a shield-shaped leaf; as a nasturtium leaf

pelter
noun a thrower of missiles; `the police were too busy to chase the pelters`

peludo
poyou noun Argentine armadillo with six movable bands and hairy underparts

pelvic
adjective of or relating to the pelvis; `pelvic exam`; `pelvic inflammation`

pelvic cavity
noun the space bounded by the bones of the pelvis and containing the pelvic viscera

pelvic fin
ventral fin noun either of a pair of fins attached to the pelvic girdle in fishes that help control the direction of movement; correspond to hind limbs of a land vertebrate

pelvic inflammatory disease
PID noun inflammation of the female pelvic organs (especially the Fallopian tubes) caused by infection by any of several microorganisms (chiefly gonococci and chlamydia); symptoms are abdominal pain and fever and foul-smelling vaginal discharge

pelvimeter
noun measuring instrument for performing pelvimetry

pelvimetry
noun measurement of the dimensions of the bony birth canal (to determine whether vaginal birth is possible)

pelvis
pelvic girdle noun the structure of the vertebrate skeleton supporting the lower limbs in humans and the hind limbs or corresponding parts in other vertebrates

pelvis
noun a structure shaped like a funnel in the outlet of the kidney into which urine is discharged before passing into the ureter

pelycosaur
noun large primitive reptile having a tall spinal sail; of the Permian or late Paleozoic in Europe and North America

Pelycosauria
order Pelycosauria noun edaphosaurus; dimetrodon

Pembroke
Pembroke Welsh corgi noun the smaller and straight-legged variety of corgi having pointed ears and a short tail

pemmican
pemican noun lean dried meat pounded fine and mixed with melted fat; used especially by North American Indians

Pempheridae
family Pempheridae noun sweepers

pemphigous
adjective of or relating to or manifesting pemphigus

pemphigus
noun a skin disease characterized by large thin-walled blisters (bullae) arising from normal skin or mucous membrane

pen
noun female swan

pen name
nom de plume noun an author`s pseudonym

pen pal
pen-friend noun a person you come to know by frequent friendly correspondence

pen-and-ink
noun a drawing executed with pen and ink

penal
punishable adjective subject to punishment by law; `a penal offense`

penal code
noun the legal code governing crimes and their punishment

penal colony
noun a penal institution where prisoners are exiled (often located on an island from which escape is difficult or impossible)

penal institution
penal facility noun an institution where persons are confined for punishment and to protect the public

penalty
noun the disadvantage or painful consequences of an action or condition; `neglected his health and paid the penalty`

penalty box
noun (ice hockey) an enclosed bench to the side of an ice-hockey rink for players who are serving time penalties

penance
self-mortification noun voluntary self-punishment in order to atone for some wrongdoing

pencil
noun a thin cylindrical pointed writing implement; a rod of marking substance encased in wood

pencil box
pencil case noun a box for holding pencils

pencil cedar
pencil cedar tree noun any of several junipers with wood suitable for making pencils

pencil sharpener
noun a rotary implement for sharpening the point on pencils

penciled
pencilled adjective drawn or written with a pencil; `a penciled sketch`; `the penciled message`

pendant earring
drop earring noun an earring with a pendant ornament

pendent
pendant adjective supported from above; `a pendant bunch of grapes`

pending
adjective awaiting conclusion or confirmation; `business still pending`

pendragon
noun the supreme war chief of the ancient Britons

pendulum
noun an apparatus consisting of an object mounted so that it swings freely under the influence of gravity

pendulum clock
noun a clock regulated by a pendulum

pendulum watch
noun (18th century) a watch with a balance wheel having a fake pendulum attached to it

Peneidae
family Peneidae noun tropical prawns

Penelope
genus Penelope noun a genus of guans (turkey-like arboreal birds valued as game and food birds)

peneplain
peneplane noun a more or less level land surface representing and advanced stage of erosion undisturbed by crustal movements

penetrability
perviousness noun the quality of being penetrable (by people or light or missiles etc.)

penetrable
adjective capable of being penetrated; `penetrable defenses`

penetralia
noun the innermost parts

penetrating trauma
penetrating injury noun injury incurred when an object (as a knife or bullet or shrapnel) penetrates into the body

penetratingly
penetratively adverb with ability to see into deeply; `the author treats his subject penetratingly`

penetration
incursion noun an attack that penetrates into enemy territory

penetration bomb
noun a bomb with about 30% explosive and a casing designed to penetrate hardened targets before the explosive detonates

penetrative
penetrating adjective tending to penetrate; having the power of entering or piercing; `a toxic penetrative spray applied to the surface`; `a cold penetrating wind`; `a penetrating odor`

penetrator
noun an intruder who passes into or through (often by overcoming resistance)

Peneus
genus Peneus noun type genus of the family Peneidae

Pengo
noun a Dravidian language spoken in south central India

penguin
noun short-legged flightless birds of cold southern especially Antarctic regions having webbed feet and wings modified as flippers

penicillamine
Cuprimine noun a drug (trade name Cuprimine) used to treat heavy metal poisoning and Wilson`s disease and severe arthritis

penicillin
noun any of various antibiotics obtained from Penicillium molds (or produced synthetically) and used in the treatment of various infections and diseases

penicillin F
noun the first form of penicillin that was isolated in Great Britain

penicillin G
benzylpenicillin noun the penicillin that constitutes the principal component of many commercial antibiotics

penicillin O
noun a penicillin that is similar in antibiotic action to penicillin G but is obtained differently

penicillin V
phenoxymethyl penicillin noun a crystalline penicillin similar in action to penicillin G but more resistant to the action of gastric acids

penicillin V potassium
Ledercillin VK noun a form of penicillin V (trade name Ledercillin VK)