15-letter words containing s, p, o, r, i
- petty bourgeois — petit bourgeois
- phlebosclerosis — sclerosis, or hardening, of the walls of veins.
- phloem necrosis — a disease of the American elm caused by a mycoplasmalike organism, characterized by yellowing and necrosis of the foliage and yellowish-brown discoloration of the phloem.
- phosphocreatine — a compound, C 4 H 1 0 O 5 N 3 P, found chiefly in muscle, formed by the enzymatic interaction of an organic phosphate and creatine, the breakdown of which provides energy for muscle contraction.
- phosphoric acid — any of three acids, orthophosphoric acid, H 3 PO 4 , metaphosphoric acid, HPO 3 , or pyrophosphoric acid, H 4 P 2 O 7 , derived from phosphorus pentoxide, P 2 O 5 , and various amounts of water.
- phosphorylation — to introduce the phosphoryl group into (an organic compound).
- phosphorylative — of or relating to phosphorylation
- photojournalism — journalism in which photography dominates written copy, as in certain magazines.
- photomicroscope — a microscope having an illuminator and a camera mechanism for producing a photomicrograph.
- photosensitizer — a drug, food, or other chemical that increases sensitivity to light and other visible photons
- phototransistor — a transistor that amplifies current induced by photoconductivity.
- phrasemongering — the act of coining memorable phrases
- physical memory — (memory management) The memory hardware (normally RAM) installed in a computer. The term is only used in contrast to virtual memory.
- physiotherapist — physical therapy.
- pictorial janus — K. Kahn, Xerox. Visual extension of Janus. Requires Strand88 and a PostScript interpreter.
- piero di cosimo — Piero di [pee-air-oh di;; Italian pye-raw dee] /piˈɛər oʊ dɪ;; Italian ˈpyɛ rɔ di/ (Show IPA), Piero di Cosimo.
- pink-shirt book — (publication) "The Peter Norton Programmer's Guide to the IBM PC". The original cover featured a picture of Peter Norton with a silly smirk on his face, wearing a pink shirt. Perhaps in recognition of this usage, the current edition has a different picture of Norton wearing a pink shirt. See also book titles.
- pinkster flower — a wild azalea, Rhododendron periclymenoides, of the U.S., having pink or purplish flowers.
- pistachio green — a light or medium shade of yellow green.
- pithecanthropus — a former genus of extinct hominids whose members have now been assigned to the proposed species Homo erectus.
- plain of sharon — a plain in W Israel, between the Mediterranean and the hills of Samaria, extending from Haifa to Tel Aviv
- plastic surgeon — doctor who performs cosmetic surgery
- platform tennis — a variation of tennis played on a wooden platform enclosed with chicken wire in which the players hit a rubber ball with wooden paddles following the same basic rules as tennis except that only one serve is permitted and balls can be played off the back and side fences.
- play favourites — to display favouritism
- pleasure-loving — enjoying pleasure
- poikilothermism — the state or quality of being cold-blooded, as fishes and reptiles.
- poisson's ratio — the ratio, in an elastic body under longitudinal stress, of the transverse strain to the longitudinal strain.
- police marksman — a police officer skilled in precision shooting, esp with a sniper rifle
- police presence — attendance or proximity of police officers
- polish corridor — a strip of land near the mouth of the Vistula River: formerly separated Germany from East Prussia; given to Poland in the Treaty of Versailles 1919 to provide it with access to the Baltic.
- polycrystalline — (of a rock or metal) composed of aggregates of individual crystals.
- polyvinyl resin — any of the class of thermoplastic resins derived by the polymerization or copolymerization of a vinyl compound: used chiefly as adhesives, sizing agents, and coatings.
- pontine marshes — an area of W Italy, southeast of Rome: formerly malarial swamps, drained in 1932–34 after numerous attempts since 160 bc had failed
- port washington — a town on NW Long Island, in SE New York.
- port wine stain — a large birthmark of purplish color, usually on the face or neck.
- port-wine stain — a large birthmark of purplish color, usually on the face or neck.
- position isomer — any of two or more isomers that differ only in the position occupied by a substituent.
- positive caster — a person or thing that casts.
- post-depression — the act of depressing.
- post-experience — a particular instance of personally encountering or undergoing something: My encounter with the bear in the woods was a frightening experience.
- post-industrial — of, relating to, or characteristic of an era following industrialization: The economy of the postindustrial society is based on the provision of services rather than on the manufacture of goods.
- post-liberation — the act of liberating or the state of being liberated.
- post-parturient — bearing or about to bear young; travailing.
- post-production — In film and television, post-production is the work such as editing that takes place after the film has been shot.
- post-retirement — the act of retiring, withdrawing, or leaving; the state of being retired.
- post-revolution — an overthrow or repudiation and the thorough replacement of an established government or political system by the people governed.
- post-tridentine — of or relating to the city of Trent.
- postdivestiture — taking place after divestiture
- posthemorrhagic — occurring after a haemorrhage
- posthole digger — a tool or device for digging a posthole.