Showing 2,301 to 2,400 of 3,132.
- PHYLEA local division of the people; a clan or tribe.
- PHYLLITEA type of metamorphic rock formed from clay-rich sediments called pelites.
- PHYLLODEA flattened petiole or leaf rachis that resembles and functions as a leaf, and may or may not be combined with an actual lamina.
- PHYLLODIUMphyllode
- PHYLONAll of the organisms descending from a given common ancestor, regarded as a race, tribe, vel sim.; a clade.
- PHYLUMA rank in the classification of organisms, below kingdom and above class; also called a divisio or a division, especially in describing plants; a taxon at that rank
- PHYSICIANA practitioner of physic, i.e. a specialist in internal medicine, especially as opposed to a surgeon; a practitioner who treats with medication rather than with surgery.
- PHYSIOClipping of physiotherapist.
- PHYSIOLOGYA branch of biology that deals with the functions and activities of life or of living matter (as organs, tissues, or cells) and of the physical and chemical phenomena involved.
- PHYSISNature, as contrasted with law or custom.
- PHYTONOne of the parts which by their repetition make up a flowering plant, each being a single joint of a stem with its leaf or leaves.
- PICRITEA variety of high-magnesium olivine basalt.
- PILCROWThe symbol ¶. A symbol designating the beginning of a new paragraph. A symbol designating a paragraph break.
- PILEORHIZAA cap of cells covering the growing extremity of a root; a rootcap.
- PILOTA person who steers a ship, a helmsman.
- PINACOIDThe face of a crystal parallel to two of the axes.
- PIRACYRobbery at sea, a violation of international law; taking a ship away from the control of those who are legally entitled to it.
- PIRATEA criminal who plunders at sea; commonly attacking merchant vessels, though often pillaging port towns.
- PIRATICAlternative form of piratical.
- PIRATICALOf, pertaining to, or similar to pirates.
- PISTACHIOA deciduous tree (Pistacia vera) grown in parts of Asia for its drupaceous fruit.
- PITCHA sticky, gummy substance secreted by trees; tree sap.
- PITHECOIDOf or pertaining to the anthropoid apes.
- PITHOSA large ceramic jar used by certain ancient civilizations that bordered the Mediterranean.
- PITYROIDHaving the form of, or resembling, bran.
- PLACOIDPlatelike; having irregular, platelike, bony scales, often bearing spines; pertaining to the placoid fish
- PLAICESeveral similar marine flatfish of the righteye flounder family Pleuronectidae: Pleuronectes platessa (European plaice), commonly found in the North Sea and Irish Sea, with smooth
- PLANETEach of the seven major bodies which move relative to the fixed stars in the night sky—the Moon, Mercury, Venus, the Sun, Mars, Jupiter and Saturn.
- PLANETICOf or relating to planets; planetary.
- PLANKA long, broad and thick piece of timber, as opposed to a board which is less thick. A flat piece of wood on which to cook fish, so that the wood provides flavor and helps to produc
- PLANKTERA single organism of plankton.
- PLASMProtoplasm.
- PLASMAA state of matter consisting of partially ionized gas and electrons.
- PLASMATICOf or pertaining to (blood) plasma.
- PLASTICA synthetic, solid, hydrocarbon-based polymer, whether thermoplastic or thermosetting.
- PLASTIDAny of various organelles found in the cells of plants and algae, often used for photosynthesis.
- PLASTRONThe nearly flat part of the shell structure of a tortoise or other animal, similar in composition to the carapace.
- PLATEA slightly curved but almost flat dish from which food is served or eaten.
- PLATFORMA raised stage from which speeches are made and on which musical and other performances are made.
- PLATYPUSA semiaquatic monotreme from eastern Australia with a bill resembling that of a duck, that has a mole-like body, a tail resembling that of a beaver, a waterproof pelt, and flat web
- PLATYSMAA superficial muscle of the human neck that overlaps the sternocleidomastoid.
- PLAZAA town's public square.
- PLECTRUMA small piece of plastic, metal, ivory, etc., for plucking the strings of a guitar, lyre, mandolin, etc.
- PLEIOTROPYThe influence of a single gene on multiple phenotypic traits; pleiotropism.
- PLEONThe abdomen of a crustacean.
- PLEONASMRedundancy in wording.
- PLEONASTEA black variety of spinel.
- PLEONEXIAExcessive or insatiable greed, avarice, covetousness, the desire to have more, a greedy desire for certain goods.
- PLETHORAAn excessive amount or number; an abundance.
- PLETHORICSuffering from plethora; ruddy in complexion, congested or swollen with blood.
- PLEURONA lateral sclerite of a thoracic segment of an arthropod between the tergum and the sternum.
- PLEUSTONThe organisms that live floating at the surface of water.
- PLEXORA hammer (or other instrument) used to test a person's reflexes.
- PLINTHA block or slab upon which a column, pedestal, statue or other structure is based.
- PLUTOCRATSomeone who rules by virtue of his or her wealth.
- PLYOMETRICSA form of exercise that involves the rapid stretching and contracting of muscles to develop muscular power.
- PNEUMAA neume.
- PNEUMATICOf, relating to, or resembling air or other gases
- PNEUMATOLOGYThe study of spiritual beings and phenomena, especially the interactions between humans and God.
- PODAGRAGout in the big toe.
- PODAGRICOf or relating to gout.
- PODITEA limb of a crustacean when ambulatory.
- PODIUMA platform on which to stand, as when conducting an orchestra or preaching at a pulpit; any low platform or dais.
- PODOCARPAny of several coniferous trees, of the genus Podocarpus, from the southern hemisphere.
- POEMA literary piece written in verse.
- POESYA poem.
- POETA person who writes poems.
- POETICRelating to poetry.
- POETRYLiterature composed in verse or language exhibiting conscious attention to patterns and rhythm.
- POLEISplural of polis
- POLEMARCHThe military commander-in-chief in Athens, one of the nine archonts.
- POLEMICA person who writes in support of one opinion, doctrine, or system, in opposition to another; one skilled in polemics; a controversialist; a disputant.
- POLICEA constituted body of officers representing the civil authority of government, empowered to maintain public order and safety, enforce the law, and prevent, detect, and investigate
- POLICYA principle of behaviour, conduct which an entity (government, organization, etc.) applies or seeks to follow, especially as formally expressed by an authoritative body.
- POLIORCETICRelating to poliorcetics, the art of siege warfare.
- POLISA Greek city-state.
- POLITICOf or relating to polity, or civil government; political.
- POLITYOrganizational structure and governance, especially of a state or a religion.
- POLLUTIONPhysical contamination, now especially the contamination of the environment by harmful substances, or by disruptive levels of noise, light etc.
- POLYANTHUSA type of primula, apparently originally from a hybrid between the cowslip and the primrose, having many different-coloured flowers.
- POLYARCHA state of many rulers, many leaders.
- POLYCHETEAny of many annelid worms, of the class Polychaeta, such as the lugworm; they have a segmented body with pairs of bristles on each segment.
- POLYCHRESTA medicine that serves for many uses, or that cures many diseases.
- POLYGONA plane figure bounded by edges that are all straight lines.
- POLYGONUMAny of many plants, of the family Polygonaceae, embracing a large number of species, including bistort, knotweed, smartweed, etc.
- POLYHALITEA mineral usually occurring in fibrous masses, of a brick-red color, being tinged with iron, and consisting chiefly of the sulphates of lime, magnesia, and soda.
- POLYHEDRONA solid figure with many flat faces and straight edges.
- POLYHISTORSomeone gifted or learned to a great extent or in multiple disciplines; a great scholar.
- POLYMASTIAThe fact or condition of having more than two mammae or nipples.
- POLYMATHA person with extraordinarily broad and comprehensive knowledge.
- POLYMATHIESThe knowledge of many arts and sciences; variety of learning.
- POLYMERA long or larger molecule consisting of a chain or network of many repeating units, formed by chemically bonding together many identical or similar small molecules called monomers.
- POLYPA cylindrical coelenterate, such as the hydra, having a mouth surrounded with tentacles. The sessile life stage of many cnidarians, whose free-swimming stage, if present, is the me
- POLYPHONICOf or relating to polyphony.
- POLYPUSA medical phenomenon. A polyp. A cardiac thrombus usually found post-mortem.
- POLYTHEISMThe belief in the existence of multiple gods.
- POMPShow of magnificence; parade; display; power.
- POMPOUSAffectedly grand, solemn or self-important.
- POPEAn honorary title of the Roman Catholic bishop of Rome as father and head of his church, a sovereign of the Vatican city state.
- POREA tiny opening in the skin.