Showing 2,201 to 2,300 of 3,132.
- PEPTICOf, pertaining to, capable of, or aiding digestion.
- PEPTIDEAny of a class of organic compounds consisting of various numbers of amino acids in which the amine of one is reacted with the carboxylic acid of the next to form an amide bond. Su
- PEPTONEAny water-soluble mixture of polypeptides and amino acids formed by the partial hydrolysis of protein.
- PEREIONThe thorax of a crustacean, between the head (cephalon) and abdomen (pleon).
- PEREIONSThe thorax of a crustacean, between the head (cephalon) and abdomen (pleon).
- PERIAPTA charm worn on a necklace; an amulet.
- PERIBLEMThe cortex of a root of a young plant.
- PERICOPEA section of text forming a coherent thought, suitable for use in a speech.
- PERIDIUMThe outer layer that covers the spore-bearing organ in many fungi.
- PERIGEEThe point, in an orbit about the Earth, that is closest to the Earth: the periapsis of an Earth orbiter.
- PERIGYNOUSHaving the stamens, petals or sepals situated around the ovary (especially, on the rim of the receptacle of a superior ovary).
- PERINEUMThe region between the genitalia and anus.
- PERIODA length of time.
- PERIODICRelative to a period or periods.
- PERIODONTALsurrounding a tooth
- PERIOSTEUMA membrane surrounding a bone.
- PERIPATETICTending to walk about.
- PERIPATUSAny onychophoran of the genus Peripatus
- PERISCIANHaving the shadow moving all around.
- PERISTYLEA colonnade surrounding a courtyard, temple, etc., or the yard enclosed by such columns.
- PERITONEUMIn mammals, the serous membrane lining the cavity of the abdomen and that is folded over the viscera.
- PERONEThe fibula.
- PERONESThe fibula.
- PERSEA very dark (almost black) purple or blue-gray colour.
- PERSONAA social role.
- PETALISMA form of ostracism among the ancient Syracusans by which they temporarily banished a citizen suspected of having dangerous influence or ambition.
- PETALODIESThe metamorphosis of various floral organs, usually stamens, into petals.
- PETALODYThe metamorphosis of various floral organs, usually stamens, into petals.
- PETRIFYTo turn to stone: to harden organic matter by permeating with water and depositing dissolved minerals.
- PETROGLYPHA rock carving, especially one made in prehistoric times.
- PETROLA fluid consisting of a mixture of refined petroleum hydrocarbons, primarily consisting of octane, commonly used as a motor fuel.
- PETROUSResembling rock or stone in its hardness.
- PHACOIDResembling a lentil or lens; lenticular.
- PHAGEDENASpreading, obstinate ulceration.
- PHAGEDENICRelating to phagedena.
- PHALANGESynonym of phalanx (“group of soldiers, people etc.”).
- PHALANGERAn arboreal marsupial of the family Phalangeridae, native to Australia.
- PHALANXAn ancient Greek and Macedonian military unit that consisted of several ranks and files (lines) of soldiers in close array with joined shields and long spears.
- PHALAROPEAny of three small wading birds in the genus Phalaropus, of the family Scolopacidae, that have lobed toes.
- PHALLUSA penis, especially when erect.
- PHANEROGAMAny plant that produces seeds (rather than spores).
- PHANTASMSomething seen but having no physical reality; a phantom or apparition.
- PHANTOMA ghost or apparition.
- PHARISAICOf or pertaining to the Pharisees.
- PHARMACYA place where prescription drugs are sold or dispensed.
- PHAROSAn ancient lighthouse or beacon to guide sailors.
- PHARYNXThe part of the alimentary canal and respiratory tract that extends from the back of the mouth and nasal cavity to the larynx and esophagus.
- PHASCOGALEAny of several Australian dasyurid marsupials, of the genus Phascogale, the males of which die shortly after mating.
- PHASEA distinguishable part of a sequence or cycle occurring over time.
- PHASMIDAny insect of the order Phasmida: a leaf insect or walking stick (stick insect).
- PHATICPertaining to words used to convey any kind of social relationship and whose meaning is otherwise either deemphasized or absent.
- PHEASANTA bird of family Phasianidae, often hunted for food.
- PHENAKISMdeception; trickery.
- PHENAKITEA trigonal-rhombohedral mineral containing beryllium, oxygen, and silicon.
- PHENEBenzene.
- PHENGITEAny of a series of dioctahedral micas of composition K(AlMg)2(OH)2(SiAl)4O10, similar to muscovite but with addition of magnesium.
- PHENOLA caustic, poisonous, white crystalline compound, C6H5OH, derived from benzene and used in resins, plastics, and pharmaceuticals and in dilute form as a disinfectant and antiseptic
- PHENOTYPEThe appearance of an organism based on a multifactorial combination of genetic traits and environmental factors, especially used in pedigrees.
- PHENYLA univalent hydrocarbon radical, C6H5 (benzene minus one hydrogen atom), and the basis of an immense number of aromatic derivatives.
- PHILANDERA lover.
- PHILATELYStamp collecting.
- PHILOLOGUEA philologist.
- PHILOLOGYThe humanistic study of texts and their languages, especially ancient or classical languages.
- PHILOSOPHYAn academic discipline that seeks truth through reasoning rather than empiricism, often attempting to provide explanations relating to general concepts such as existence and ration
- PHILOXENIALove of strangers; eagerness to show hospitality.
- PHILOXENIASLove of strangers; eagerness to show hospitality.
- PHILTERA kind of potion, charm, or drug; especially a love potion intended to make the drinker fall in love with the giver.
- PHILTRUMThe shallow vertical groove running from the nasal septum to the center of the upper lip.
- PHLEBOTOMYThe opening of a vein, either to withdraw blood or for letting blood; venesection.
- PHLEGMOne of the four humors making up the body in ancient and mediaeval medicine; said to be cold and moist, and often identified with mucus.
- PHLEGMASIAAn inflammation, especially of the internal organs.
- PHLEGMATICNot easily excited to action or passion; calm; sluggish.
- PHLEGMONA solid mass formed by inflamed connective tissue, such as forms around an appendix in appendicitis.
- PHLOEMA vascular tissue in land plants primarily responsible for the distribution of sugars and nutrients manufactured in the shoot.
- PHLOGISTICInflammatory; pertaining to inflammations and fevers.
- PHLOGISTONThe hypothetical fiery principle formerly assumed to be a necessary constituent of combustible bodies and to be given up by them in burning.
- PHLOXAny flowering plant of the genus Phlox.
- PHLYCTENAA small vesicle.
- PHOBIAAn irrational, abnormal, or obsessive fear (of something).
- PHOCAA seal.
- PHOCINEPertaining to true seals (also known as earless seals, as opposed to eared seals such as sea lions); seallike.
- PHOCOMELIAA congenital disorder of the limbs, the affected person being born with abnormally short or missing bones and flipper-like hands or feet.
- PHOENIXA mythological bird, said to be the only one of its kind, which lives for 500 years and then dies by burning to ashes on a pyre of its own making, ignited by the sun. It then arise
- PHONALOf, relating to, or produced by, the voice.
- PHONATIONThe process of producing vocal sound by the vibration of the vocal folds that is in turn modified by the resonance of the vocal tract.
- PHONEMEAn indivisible unit of sound in a given language. A phoneme is an abstraction of the physical speech sounds (phones) and may encompass several different phones.
- PHONETICRelating to the sounds of spoken language.
- PHONICOf or pertaining to sound; of the nature of sound; acoustic.
- PHONONThe quantum of acoustic or vibrational energy (sound), considered a discrete particle rather than a wave.
- PHORESYAn association between two organisms in which one (e.g. a mite) travels on the body of another, without being a parasite.
- PHORMINXA kind of lyre used by the Ancient Greeks.
- PHOSGENEcarbonyl chloride
- PHRASEA short written or spoken expression.
- PHRASEOLOGYStudy of set or fixed expressions.
- PHREATICOf or pertaining to ground water; involving explosively rapid heating of ground water by magma.
- PHRENESISphrenitis
- PHRENICOf or pertaining to the diaphragm
- PHRENITISMadness, especially as caused by inflammation of the brain; encephalitis, encephalomeningitis, or meningitis.
- PHTHISICA wasting illness of the lungs, such as asthma or tuberculosis; consumption; phthisis.
- PHTHISISAn atrophy of the body or part of the body, especially pulmonary tuberculosis.