15-letter words containing p, y, o, s, i
- polycrystalline — (of a rock or metal) composed of aggregates of individual crystals.
- polyisobutylene — a polymer of isobutylene, used chiefly in the manufacture of synthetic rubber.
- polysyllabicism — a polysyllabic style
- 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.
- postapocalyptic — of or like an apocalypse; affording a revelation or prophecy.
- postoperatively — occurring after a surgical operation.
- poststimulatory — following stimulation
- postsynchronize — to add sound, such as dubbing, to a film or video after shooting is completed
- postulationally — in a postulational manner
- prairie oysters — a raw egg, or the yolk of a raw egg, often mixed with seasonings, as salt, pepper, Worcestershire sauce, and used as a hangover remedy.
- primary process — the generally unorganized mental activity characteristic of the unconscious and occurring in dreams, fantasies, and related processes.
- primary storage — main memory
- primrose family — the plant family Primulaceae, characterized by herbaceous plants having simple, opposite, whorled, or basal leaves, flowers with a five-lobed corolla, and capsular fruit, and including cyclamen, loosestrife of the genus Lysimachia, pimpernel, primrose, and shooting star.
- primrose yellow — primrose (def 3).
- procrastinatory — to defer action; delay: to procrastinate until an opportunity is lost.
- promissory note — a written promise to pay a specified sum of money to a designated person or to his or her order, or to the bearer of the note, at a fixed time or on demand.
- property rights — a legal right to or in a particular property.
- propositionally — the act of offering or suggesting something to be considered, accepted, adopted, or done.
- proximity talks — a diplomatic process whereby an impartial representative acts as go-between for two opposing parties who are willing to attend the same conference but unwilling to meet face to face
- pseudo-military — of, for, or pertaining to the army or armed forces, often as distinguished from the navy: from civilian to military life.
- pseudomutuality — a relationship between two persons in which conflict of views or opinions is solved by simply ignoring it
- pseudoparalysis — the inability to move a part of the body owing to factors, as pain, other than those causing actual paralysis.
- psychoacoustics — the study of sound perception.
- psychobiography — a biographical study focusing on psychological factors, as childhood traumas and unconscious motives.
- psychobiologist — the use of biological methods to study normal and abnormal emotional and cognitive processes, as the anatomical basis of memory or neurochemical abnormalities in schizophrenia.
- psychochemistry — the treatment of mental illnesses by drugs
- psychodiagnosis — a psychological examination using psychodiagnostic techniques.
- psychogeriatric — the psychology of old age.
- psychographical — relating to psychographics
- psychohistorian — a person who writes psychohistory
- psychologically — of or relating to psychology.
- psychophysicist — a person who specializes in psychophysics
- psychosociology — the study of subjects, issues, and problems common to psychology and sociology.
- psychosynthesis — a theoretical effort to reconcile components of the unconscious, including dreams, with the rest of the personality.
- psychotherapist — the treatment of psychological disorders or maladjustments by a professional technique, as psychoanalysis, group therapy, or behavioral therapy.
- psychotomimetic — (of a substance or drug) tending to produce symptoms like those of a psychosis; hallucinatory.
- psyllid yellows — a viral disease transmitted by the potato psyllid, causing the young leaves of potatoes, tomatoes, eggplants, and peppers to curl and turn yellow or purplish.
- pusillanimously — lacking courage or resolution; cowardly; faint-hearted; timid.
- pycnodysostosis — a disorder characterized by fragile bones
- pyrocrystalline — crystallized from a molten magma or highly heated solution.
- query expansion — (information science) Adding search terms to a user's search. Query expansion is the process of a search engine adding search terms to a user's weighted search. The intent is to improve precision and/or recall. The additional terms may be taken from a thesaurus. For example a search for "car" may be expanded to: car cars auto autos automobile automobiles. The additional terms may also be taken from documents that the user has specified as being relevant; this is the basis for the "more like this" feature of some search engines. The extra terms can have positive or negative weights.
- retrospectively — with contemplation of past situations, events, etc.: You should examine your relationship retrospectively.
- saprophytically — any organism that lives on dead organic matter, as certain fungi and bacteria.
- say one's piece — If you say your piece, you say everything you want to say about a particular matter without being interrupted, although people may be wanting to express opposing views.
- security police — a police force responsible for maintaining order at a specific locale or under specific circumstances, as at an airport or factory.
- self-hypnotized — hypnotized by oneself.
- semipornography — partial pornography; material that is almost pornographic
- sepoy rebellion — the Indian Mutiny of 1857–58
- septentrionally — northwards; in the direction of the north
- serendipitously — come upon or found by accident; fortuitous: serendipitous scientific discoveries.