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

plainness
noun the appearance of being plain and unpretentious

Plains Indian
Buffalo Indian noun a member of one of the tribes of American Indians who lived a nomadic life following the buffalo in the Great Plains of North America

plains lemon monarda
Monarda pectinata noun annual of southern United States

plains pocket gopher
Geomys bursarius noun gopher of chiefly grasslands of central North America

plains pocket mouse
Perognathus flavescens noun small rodent of open areas of United States plains states

plains spadefoot
Scaphiopus bombifrons noun this spadefoot toad lives in plains and hills and river bottoms in areas of low rainfall east of the Rocky Mountains

plainsman
noun an inhabitant of a plains region (especially the Great Plains of North America)

plainsong
plainchant noun a liturgical chant of the Roman Catholic Church

plainspoken
adjective using simple and direct language; `a plainspoken country doctor`

plaintiff
complainant noun a person who brings an action in a court of law

plaintive
adjective expressing sorrow

plaintively
adverb in a plaintive manner; `the last note of the song rang out plaintively`

plaintiveness
noun expressing sorrowfulness

plaiter
noun someone who plaits (hair or fabric etc.)

plan
program noun a series of steps to be carried out or goals to be accomplished; `they drew up a six-step plan`; `they discussed plans for a new bond issue`

plan
verb have the will and intention to carry out some action; `He plans to be in graduate school next year`; `The rebels had planned turmoil and confusion`

plan of action
noun a plan for actively doing something

plan of attack
noun ideas or actions intended to deal with a problem or situation; `his approach to every problem is to draw up a list of pros and cons`; `an attack on inflation`; `his plan of attack was misguided`

planar
adjective involving two dimensions

planarian
planaria noun free-swimming mostly freshwater flatworms; popular in laboratory studies for the ability to regenerate lost parts

planate
flattened adjective having been flattened

planation
noun the process of erosion whereby a level surface is produced

planchet
coin blank noun a flat metal disk ready for stamping as a coin

planchette
noun a triangular board supported on casters; when lightly touched with the fingertips it is supposed to spell out supernatural (or unconscious) messages

Planck
Max Planck noun German physicist whose explanation of blackbody radiation in the context of quantized energy emissions initiated quantum theory (1858-1947)

Planck`s constant
noun the constant of proportionality relating the energy of a photon to its frequency; approximately 6.626 x 10^-34 joule-second

Planck`s law
noun (physics) the basis of quantum theory; the energy of electromagnetic waves is contained in indivisible quanta that have to be radiated or absorbed as a whole; the magnitude is proportional to frequency where the constant of proportionality is give by Planck`s constant

Planck`s radiation law
noun (physics) an equation that expresses the distribution of energy in the radiated spectrum of an ideal black body

plane
carpenter`s plane noun a carpenter`s hand tool with an adjustable blade for smoothing or shaping wood; `the cabinetmaker used a plane for the finish work`

plane
planing machine noun a power tool for smoothing or shaping wood

plane angle
noun an angle formed by two straight lines (in the same plane)

plane figure
two-dimensional figure noun a two-dimensional shape

plane geometry
noun the geometry of 2-dimensional figures

plane seat
noun a seat on a commercial airliner

plane table
noun surveying instrument consisting of a drawing board and a ruler that are mounted on a tripod; used to sight and map topographical details

plane ticket
airplane ticket noun a ticket good for a trip on an airplane

plane tree
sycamore noun any of several trees of the genus Platanus having thin pale bark that scales off in small plates and lobed leaves and ball-shaped heads of fruits

plane-polarized
adjective (of a moving wave) vibrating in a single plane; `plane-polarized light`

planer
planing machine noun a power tool for smoothing or shaping wood

Planera
genus Planera noun a deciduous tree of the family Ulmaceae that grows in the southeastern United States

planet
major planet noun (astronomy) any of the nine large celestial bodies in the solar system that revolve around the sun and shine by reflected light; Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto in order of their proximity to the sun; viewed from the constellation Hercules, all the planets rotate around the sun in a counterclockwise direction

planetal
planetary adjective of or relating to or resembling the physical or orbital characteristics of a planet or the planets; `planetary motion`; `planetary year`

planetary gear
epicyclic gear noun an outer gear that revolves about a central sun gear of an epicyclic train

planetary nebula
noun a nebula that was once thought to be a star with its planets but is now thought to be a very hot star surrounded by an expanding envelope of ionized gases that emit a fluorescent glow because of intense radiation from the star

planetesimal
noun one of many small solid celestial bodies thought to have existed at an early stage in the development of the solar system

planetesimal hypothesis
noun (cosmology) the theory that the solar system was formed by the gravitational accumulation of planetesimals

plangency
resonance noun having the character of a loud deep sound; the quality of being resonant

plangent
adjective loud and resounding; `plangent bells`; `the plangent minority`

plank
noun an endorsed policy in the platform of a political party

plank
plonk verb set (something or oneself) down with or as if with a noise; `He planked the money on the table`; `He planked himself into the sofa`

plank-bed
noun a bed of boards (without a mattress)

planking
noun the work of covering an area with planks

plankton
noun the aggregate of small plant and animal organisms that float or drift in great numbers in fresh or salt water

planktonic
adjective of or relating to plankton

planktonic algae
noun unicellular algae

planned
adjective designed or carried out according to a plan; `the planned outlays for new equipment`

planned community
noun a residential district that is planned for a certain class of residents

planner
noun a notebook for recording appointments and things to be done, etc.

planning
preparation noun the cognitive process of thinking about what you will do in the event of something happening; `his planning for retirement was hindered by several uncertainties`

planning commission
noun a commission delegated to propose plans for future activities and developments

Plano
noun a city in northeastern Texas (suburb of Dallas)

Planococcus
genus Planococcus noun a genus of Pseudococcidae

planoconcave
adjective flat on one side and concave on the other

planoconvex
adjective flat on one side and convex on the other

planographic
adjective of or relating to or involving planography

planographic printing
planography noun the process of printing from a surface on which the printing areas are not raised but are ink-receptive (as opposed to ink repellent)

plant
flora noun a living organism lacking the power of locomotion

plant
noun buildings for carrying on industrial labor; `they built a large plant to manufacture automobiles`

plant cell
noun a cell that is a structural and functional unit of a plant

plant closing
noun act of shutting down operation of a plant

plant department
building department noun the division of a business responsible for building and maintaining the physical plant

plant disease
noun a disease that affects plants

plant family
noun a family of plants

plant fiber
plant fibre noun fiber derived from plants

plant genus
noun a genus of plants

plant hopper
planthopper noun related to the leafhoppers and spittlebugs but rarely damages cultivated plants

plant louse
noun any of several small insects especially aphids that feed by sucking the juices from plants

plant material
noun material derived from plants

plant order
noun the order of plants

plant organ
noun a functional and structural unit of a plant or fungus

plant part
plant structure noun any part of a plant or fungus

plant process
enation noun a natural projection or outgrowth from a plant body or organ

plant product
noun a product made from plant material

plant tissue
noun the tissue of a plant

plant toxin
phytotoxin noun any substance produced by plants that is similar in its properties to extracellular bacterial toxin

plant virus
noun a plant pathogen that is a virus consisting of a single strand of RNA

plant-eating(a)
phytophagic adjective (of animals) feeding on plants

plant-like
adjective resembling a plant

Plantae
kingdom Plantae noun the taxonomic kingdom comprising all living or extinct plants

Plantagenet
Plantagenet line noun the family name of a line of English kings that reigned from 1154 to 1485

Plantaginaceae
family Plantaginaceae noun cosmopolitan family of small herbs and a few shrubs; most are troublesome weeds

Plantaginales
order Plantaginales noun coextensive with the family Plantaginaceae

Plantago
genus Plantago noun type genus of the family Plantaginaceae; large cosmopolitan genus of mostly small herbs

Plantago media
noun widely distributed Old World perennial naturalized in North America having finely hairy leaves and inconspicuous white fragrant flowers

Plantago virginica
noun North American annual or biennial with long soft hairs on the leaves

plantain
noun starchy banana-like fruit; eaten (always cooked) as a staple vegetable throughout the tropics

plantain lily
noun any of numerous perennials having mounds of sumptuous broad ribbed leaves and clusters of white, blue, or lilac flowers; used as ground cover

plantain-leaved pussytoes
noun a variety of pussytoes

plantal
adjective of or relating to plants

plantar
adjective relating to or occurring on the undersurface of the foot; `plantar warts can be very painful`