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

periodic motion
periodic movement noun motion that recurs over and over and the period of time required for each recurrence remains the same

periodic sentence
noun a complex sentence in which the main clause comes last and is preceded by the subordinate clause

periodic table
noun a tabular arrangement of the chemical elements according to atomic number as based on the periodic law

periodical
noun a publication that appears at fixed intervals

periodontal disease
periodontitis noun a disease that attacks the gum and bone and around the teeth

periodontic
periodontal adjective of or relating to or involving or practicing periodontics; `periodontal disease`

periodontics
periodontia noun the branch of dentistry dealing with diseases of the gums and other structures around the teeth

periodontist
noun a dentist specializing in diseases of the gums and other structure surrounding the teeth

Periophthalmus
genus Periophthalmus noun a genus of Gobiidae

periosteum
noun a dense fibrous membrane covering the surface of bones (except at their extremities) and serving as an attachment for tendons and muscles; contains nerves and blood vessels that nourish the enclosed bone

peripatetic
wayfaring adjective traveling especially on foot; `peripatetic country preachers`; `a poor wayfaring stranger`

Peripatidae
family Peripatidae noun a family of Onychophora

Peripatopsidae
family Peripatopsidae noun a family of Onychophora

Peripatopsis
genus Peripatopsis noun type genus of Peripatopsidae; onychophorans of chiefly Asiatic and African tropical regions

peripeteia
peripetia noun a sudden and unexpected change of fortune or reverse of circumstances (especially in a literary work); `a peripeteia swiftly turns a routine sequence of events into a story worth telling`

peripheral
adjective related to the key issue but not of central importance; `a peripheral interest`; `energy is far from a peripheral issue in the economy`; `peripheral issues`

peripheral nervous system
systema nervosum periphericum noun the section of the nervous system lying outside the brain and spinal cord

peripheral vision
noun vision using only the periphery of the retina

peripherally
adverb in or at or near a periphery or according to a peripheral role or function or relationship

periphery
fringe noun the outside boundary or surface of something

Periplaneta
genus Periplaneta noun cosmopolitan genus of large cockroaches

Periploca
genus Periploca noun genus of woody vines of warm regions of the Old World

peripteral
adjective having columns on all sides

periscope
noun an optical instrument that provides a view of an otherwise obstructed field

periselene
perilune noun periapsis in orbit around the moon

perishability
perishableness noun unsatisfactoriness by virtue of being subject to decay or spoilage or destruction

perishable
adjective liable to perish; subject to destruction or death or decay; `this minute and perishable planet`; `perishable foods such as butter and fruit`

perisher
noun bounder

Perisoreus
genus Perisoreus noun Canada jays

perisperm
noun the nutritive tissue outside the sac containing the embryo in some seeds

Perissodactyla
order Perissodactyla noun nonruminant ungulates: horses; tapirs; rhinoceros; extinct forms

peristalsis
vermiculation noun the process of wavelike muscle contractions of the alimentary tract that moves food along

Peristediinae
subfamily Peristediinae noun in some classifications considered a subfamily of Triglidae comprising the armored searobins

Peristedion
genus Peristedion noun in some classifications the type genus of the subfamily Peristediinae: armored sea robins

peristome
noun region around the mouth in various invertebrates

peristylar
pseudoperipteral adjective having columniation completely circling an area of the structure

peristyle
noun a colonnade surrounding a building or enclosing a court

perithecium
noun flask-shaped ascocarp

perithelial
adjective of or relating to the tissue layer around small blood vessels

perithelium
noun tissue layer around small blood vessels

peritoneal
adjective of or relating to or affecting the peritoneum; `peritoneal cancer`

peritoneal cavity
greater peritoneal sac noun the interior of the peritoneum; a potential space between layers of the peritoneum

peritoneum
noun a transparent membrane that lines the abdominal cavity in mammals and covers most of the viscera

peritonitis
peritoneal inflammation noun inflammation of the peritoneum

peritrichous
adjective covered all over with uniformly distributed flagella

periwig
peruke noun a wig for men that was fashionable in the 17th and 18th centuries

periwinkle
winkle noun edible marine gastropod

periwinkle
Madagascar periwinkle noun commonly cultivated Old World woody herb having large pinkish to red flowers

periwinkle plant derivative
noun an antineoplastic drug used to treat some forms of cancer

perjurer
false witness noun a person who deliberately gives false testimony

perjury
bearing false witness noun criminal offense of making false statements under oath

perked up
adjective made or become more cheerful or lively; `his attention made her feel all perked up`

perkily
saucily adverb in a perky manner; `stuck perkily, like a bustle on a woman`s skirt`

Perm
Molotov noun a city in the European part of Russia

permafrost
noun ground that is permanently frozen

Permalloy
noun an 80/20 alloy of nickel and iron; easily magnetized and demagnetized

permanence
permanency noun the property of being able to exist for an indefinite duration

permanent
adjective not capable of being reversed or returned to the original condition; `permanent brain damage`

permanent injunction
final injunction noun injunction issued on completion of a trial

permanent magnet
static magnet noun a magnet that retains its magnetism after being removed from a magnetic field

permanent press
permanent-press fabric noun a fabric that has been chemically processed to resist wrinkles and hold its shape

permanent tooth
adult tooth noun any of the 32 teeth that replace the deciduous teeth of early childhood and (with luck) can last until old age

permanent wave
permanent noun a series of waves in the hair made by applying heat and chemicals

permanently
for good adverb for a long time without essential change; `he is permanently disabled`

permanganate
noun a dark purple salt of permanganic acid; in water solution it is used as a disinfectant and antiseptic

permanganic acid
noun an unstable purple acid (HMnO4) known only in solution or of permanganate salts

permeability
permeableness noun the property of something that can be pervaded by a liquid (as by osmosis or diffusion)

permeable
adjective allowing fluids or gases to pass or diffuse through; `permeable membranes`; `rock that is permeable by water`

permeant
permeating adjective spreading or spread throughout; `armed with permeative irony...he punctures affectations`; `the pervasive odor of garlic`; `an error is pervasive if it is material to more than one conclusion`

permeate
penetrate 5 interpenetrate 3 diffuse verb spread or diffuse through; `An atmosphere of distrust has permeated this administration`; `music penetrated the entire building`; `His campaign was riddled with accusations and personal attacks`

permeated
adjective occurring throughout; `her poems are permeated with sorrow`

permeation
pervasion noun the process of permeating or infusing something with a substance

permed
adjective of hair treated with chemicals to make it curly; `permed hair`

Permian
Permian period noun from 280 million to 230 million years ago; reptiles

Permic
noun a group of Finnic languages spoken in the northwest Urals

permissibility
noun admissibility as a consequence of being permitted

permissible
allowable adjective that may be permitted especially as according to rule; `permissible behavior in school`; `a permissible tax deduction`

permissibly
allowably adverb in a permissible manner

permission
noun approval to do something; `he asked permission to leave`

permissive waste
noun (law) reduction in the value of an estate caused by act or neglect

permissively
adverb in a permissive manner

permissiveness
noun a disposition to allow freedom of choice and behavior

permit
Trachinotus falcatus noun large game fish; found in waters of the West Indies

permutability
permutableness noun ability to change sequence

permutation
noun complete change in character or condition; `the permutations...taking place in the physical world`- Henry Miller

pernicious anemia
pernicious anaemia noun a chronic progressive anemia of older adults; thought to result from a lack of intrinsic factor (a substance secreted by the stomach that is responsible for the absorption of vitamin B12)

perniciousness
toxicity noun grave harmfulness or deadliness

pernickety
persnickety adjective characterized by excessive precision and attention to trivial details; `a persnickety job`; `a persnickety school teacher`

Pernis
genus Pernis noun a common European bird of prey; dull brown with white-streaked underparts

Pernod
noun (registered trademark) a liqueur flavored with anise

pernyi moth
Antheraea pernyi noun a Chinese moth that produces a brownish silk

Perodicticus
genus Perodicticus noun a genus of Lorisidae

Perodicticus potto
noun a kind of lemur

Perognathus
genus Perognathus noun pocket mice

Peromyscus
genus Peromyscus noun New World wood mice

Peron
Juan Domingo Peron noun Argentine soldier who became president of Argentina (1895-1974)

peroneal
adjective of or relating to the fibula or the outer part of the leg below the knee

peroneal vein
fibular vein noun accompany the peroneal arteries; arising in the heel and running up the back of the leg to join the posterior tibial veins of the popliteal vein

peroneus
noun muscle of the lower leg that is involved in moving the foot

Peronospora
genus Peronospora noun genus of destructive downy mildews