Showing 2,401 to 2,500 of 3,132.
- PORGYAny of several fish of the family Sparidae of seabreams. In particular, the scup (paugie, Stenotomus chrysops).
- PORISMA proposition affirming the possibility of finding such conditions as will render a certain determinate problem indeterminate or capable of innumerable solutions.
- PORISTICOf or relating to a porism; of the nature of a porism.
- POTHOSAny vine of species Epipremnum aureum, widely cultivated as a houseplant, once classified in the genus Pothos.
- PRAGMATICPractical, concerned with making decisions and actions that are useful in practice, not just theory.
- PRASEA variety of cryptocrystalline of a green colour.
- PRAXEOLOGYThe study of human action or conduct.
- PRAXISThe practical application of any branch of learning.
- PRESBYOPIAInability of the eye, due to ageing, to focus on nearby objects.
- PRIAPUSAn image of the god Priapus, often used as a scarecrow in ancient gardens.
- PRIESTA religious clergyman (clergywoman, clergyperson) who is trained to perform services or sacrifices at a church or temple.
- PRISMA polyhedron with parallel ends of the same polygonal shape and size, the other faces being parallelogram-shaped sides. An object having the shape of a geometrical prism (sense 1).
- PROBLEMA difficulty that has to be resolved or dealt with.
- PROBLEMATICPosing a problem; having or suffering from problem(s): Difficult to overcome, solve, or decide. Not settled, uncertain, of uncertain outcome; debatable, questionable, open to doubt
- PROCLITICA clitic that joins with the following word phonetically, graphically, or both.
- PROCTODEUMThe back ectodermal part of an alimentary canal.
- PROEMAn introduction, preface or preamble.
- PROGLOTTIDA segment of a tapeworm; they contain both male and female reproductive organs
- PROGNOSTICOf, pertaining to or characterized by prognosis or prediction.
- PROLACTINA peptide gonadotrophic hormone secreted by the pituitary gland; it stimulates growth of the mammary glands and lactation in females.
- PROLEPTICALAnticipating the usual time; applied to a periodical disease whose paroxysms return at an earlier hour at every repetition.
- PROLOGUEA speech or section used as an introduction, especially to a play or novel.
- PROMACHOSA deity who fights in front of, or champions, some person or state.
- PRONAOSThe inner area of the portico of a Greek or Roman temple
- PROPAEDEUTICPreparatory or introductory.
- PROPANEAn aliphatic hydrocarbon, C3H8, a constituent of natural gas.
- PROPHECYA prediction, especially one made by a prophet or under divine inspiration.
- PROPHETSomeone who speaks by divine inspiration.
- PROPHETICHaving the ability to prophesize; prescient.
- PROPHYLLThe frequently specialised or reduced leaf produced at the first node of a new shoot.
- PROPOLISAn aromatic glue-like substance produced by honeybees from tree resin, waxes, and their own secretions, used in the construction of their hives.
- PROPYLAEUMA vestibule or entrance, to a temple.
- PROPYLONAlternative spelling of propylaeum.
- PROSCENIUMThe stage area between the curtain and the orchestra.
- PROSELYTEOne who has converted to a religion or doctrine, especially a gentile converted to Judaism.
- PROSEUCHEA place of prayer; among the Jews, one that was not a synagogue, or the temple, usually roofless.
- PROSODYThe study of rhythm, intonation, stress, and related attributes in speech.
- PROSOMAThe front segment of a body which is divided into two or more segments, especially the cephalothorax of an arachnid or crustacean.
- PROSTHETICArtificial, acting as a substitute for part of the body; relating to prosthesis.
- PROTAGONISTThe main character, or one of the main characters, in any story, such as a literary work or drama.
- PROTEINAny of numerous large, complex naturally-produced molecules composed of one or more long chains of amino acids, in which the amino acid groups are held together by peptide bonds.
- PROTHALAMIONA song or poem in honour of a bride and bridegroom about to be married.
- PROTHETICof, relating to, or involving prothesis
- PROTISTAny of the eukaryotic, usually unicellular organisms—including protozoans, slime molds and some algae—historically grouped into the kingdom Protista (or Protoctista), now distribut
- PROTIUMThe lightest and most common isotope of hydrogen, having a single proton and no neutrons: 11H. It is the only stable nuclide with no neutrons.
- PROTOGINEA form of granite containing silvery flakes of talc or similar minerals.
- PROTONA positively charged subatomic particle forming part of the nucleus of an atom and determining the atomic number of an element, composed of two up quarks and a down quark.
- PROTOPLASMThe entire contents of a cell comprising the nucleus and the cytoplasm. It is a semi-fluid, transparent substance which is the living matter of plant and animal cells.
- PROTYLEA hypothetical base substance from which all chemical elements were believed to have been made; subatomic particles.
- PROWThe front part of a vessel.
- PRUNEA plum.
- PRYTANEUMThe town hall in an Ancient Greek city.
- PSALMA sacred song; a poetical composition for use in the praise or worship of God.
- PSALMODYThe singing or the writing of psalms.
- PSALTERSynonym of Psalms, particularly when printed as a separate work from the Bible.
- PSALTERIUMAn omasum.
- PSALTERYA zither-like musical instrument consisting of a soundboard with multiple strings, played by plucking the strings with the fingers or a plectrum.
- PSCHENTThe double crown of ancient Egypt, combining the white crown of Upper Egypt with the red crown of Lower Egypt, worn by pharaohs after the union of the two kingdoms in around 3000 B
- PSEPHOLOGIESThe predictive or statistical study of elections.
- PSEPHOLOGYThe predictive or statistical study of elections.
- PSEUDAn intellectually pretentious person; a poseur.
- PSEUDOAn intellectually pretentious person; a pseudointellectual.
- PSEUDOLOGUEA pathological liar
- PSEUDONYMA fictitious name (more literally, a false name), as those used by writers and movie stars.
- PSILOCIN4-hydroxy-dimethyltryptamine, a hallucinogenic alkaloid found in most psychedelic mushrooms.
- PSILOCINS4-hydroxy-dimethyltryptamine, a hallucinogenic alkaloid found in most psychedelic mushrooms.
- PSILOPHYTEAny plant that is adapted to live in a savannah
- PSITTACINEOf or pertaining to parrots.
- PSORAA cutaneous disease, especially psoriasis, scabies, or mange.
- PSYCHEThe human soul, mind, or spirit.
- PSYLLIDAny of the host-specific plant-feeding insects of the family Psyllidae, which feed on plant juices.
- PSYLLIUMAny of several plants of Plantago subg. Psyllium.
- PTARMICA substance, such as pepper or snuff, that causes sneezing.
- PTERICRelating to a wing.
- PTERIONThe point corresponding with the posterior end of the sphenoparietal suture; known as the weakest part of the skull.
- PTERODACTYLA pterosaur of the genus Pterodactylus.
- PTEROIDA bone, found only in pterosaurs, that connected to the wrist to support the propatagium.
- PTEROPODAny of free-swimming pelagic sea snails and sea slugs, of the suborder Thecosomata, that have winglike lobes on the feet; a sea butterfly.
- PTERYGIUMAn abnormal mass of tissue in the corner of the eye that obstructs vision.
- PTERYGOIDOf, pertaining to or lying in the region of the inferior part of the sphenoid bone of the vertebrate skull.
- PTERYLAOne of the areas of a bird's skin on which feathers grow.
- PTISANAlternative spelling of tisane.
- PTOMAINEAny of various amines formed by putrefactive bacteria.
- PTOSISThe prolapse of a bodily organ, especially drooping of the eyelid or the breasts.
- PTUIThe sound of spitting.
- PTYALINA form of amylase found in saliva that breaks down starch into maltose and dextrin.
- PTYALISMsialorrhea
- PTYXISThe way in which an individual leaf is folded in the bud.
- PUMPKINA domesticated plant, in species Cucurbita pepo, similar in growth pattern, foliage, flower, and fruit to the squash or melon.
- PURPLEA colour between red and blue; violet, though often closer to magenta.
- PYAEMIAA type of septicemia caused usually by the presence of Staphylococcus bacteria in the bloodstream; characterised by metastatic abscesses and other symptoms associated with septicem
- PYCNITEA variety of fine-grained topaz.
- PYCNOMETERA vessel of precisely known volume used by weighing to determine the specific gravity or relative density of a liquid.
- PYKNICshort and stout; endomorphic
- PYKNOTICshowing pyknosis
- PYLONA gateway to the inner part of an Ancient Egyptian temple.
- PYLORUSIn vertebrates, including humans, a zone at the lower end of the stomach that leads to and opens into the duodenum.
- PYRAMIDAn ancient massive construction with a square or rectangular base and four triangular sides meeting in an apex, such as those built as tombs in Egypt or as bases for temples in Mes
- PYRAMISA pyramid.
- PYREA funeral pile; a combustible heap on which corpses are burned.