12-letter words containing p, a, y, i
- permeability — the property or state of being permeable.
- perpetuality — continuing or enduring forever; everlasting.
- perspicacity — keenness of mental perception and understanding; discernment; penetration.
- perspiratory — of, relating to, or stimulating perspiration.
- persuasively — able, fitted, or intended to persuade: a very persuasive argument.
- phagocytosis — Physiology. the ingestion of a smaller cell or cell fragment, a microorganism, or foreign particles by means of the local infolding of a cell's membrane and the protrusion of its cytoplasm around the fold until the material has been surrounded and engulfed by closure of the membrane and formation of a vacuole: characteristic of amebas and some types of white blood cells.
- phagocytotic — relating to phagocytosis
- phenotypical — the observable constitution of an organism.
- phenylalanin — an essential amino-acid present in most proteins
- philanthropy — altruistic concern for human welfare and advancement, usually manifested by donations of money, property, or work to needy persons, by endowment of institutions of learning and hospitals, and by generosity to other socially useful purposes.
- phlox family — the plant family Polemoniaceae, characterized by herbaceous or sometimes shrubby plants having simple or compound leaves, flowers with a five-lobed corolla, and capsular fruit, and including gilia, Jacob's-ladder, moss pink, and phlox.
- phonemically — of or relating to phonemes: a phonemic system.
- phonetically — Also, phonetical. of or relating to speech sounds, their production, or their transcription in written symbols.
- phosphatidyl — an atom or group of atoms containing one or more unpaired electrons derived from a phosphatide
- photodynamic — the science dealing with light and its effects on living organisms.
- phrygian cap — a soft, conical cap represented in ancient Greek art as part of Phrygian dress and associated, since the late 18th and early 19th centuries, with the liberty cap.
- phycoxanthin — a yellow pigment found in brown seaweeds and types of algae
- phylacteries — Judaism. either of two small, black, leather cubes containing a piece of parchment inscribed with verses 4–9 of Deut. 6, 13–21 of Deut. 11, and 1–16 of Ex. 13: one is attached with straps to the left arm and the other to the forehead during weekday morning prayers by Orthodox and Conservative Jewish men.
- physicalness — of or relating to the body: physical exercise.
- physiography — the science of physical geography.
- physogastric — pertaining to the swollen, membranous abdomen of certain insects, especially termite and ant queens.
- phytoclimate — the climate of a small area, as of confined spaces such as caves or houses (cryptoclimate) of plant communities, wooded areas, etc. (phytoclimate) or of urban communities, which may be different from that in the general region.
- phytonadione — vitamin K1.
- piano player — pianist.
- pidyon haben — the rite of relieving the first male child born to parents not descended from Aaron or Levi of certain religious obligations by redeeming him from a member of the priestly class, celebrated 30 days after the child's birth.
- piggybacking — on the back or shoulders: The little girl rode piggyback on her father.
- pinealectomy — a surgical operation to remove the pineal gland
- plain as day — obvious
- plain turkey — a bustard
- plastocyanin — a blue protein found in green plants and in some bacteria
- platonically — of, relating to, or characteristic of Plato or his doctrines: the Platonic philosophy of ideal forms.
- plausibility — having an appearance of truth or reason; seemingly worthy of approval or acceptance; credible; believable: a plausible excuse; a plausible plot.
- play chicken — to engage in a test of courage in which, typically, two vehicles are driven directly toward one another in order to see which driver will swerve away first
- play it cool — If you play it cool, you deliberately behave in a calm, unemotional way because you do not want people to know you are enthusiastic or angry about something.
- play it cozy — to act cautiously so as to avoid risk
- play it safe — a dramatic composition or piece; drama.
- play reading — the activity when a group of people read the parts of a play
- player piano — a piano that can play automatically when the keys are actuated electronically or by a pneumatic device controlled by a piano roll.
- playing card — one of the conventional set of 52 cards in four suits, as diamonds, hearts, spades, and clubs, used in playing various games of chance and skill.
- plead guilty — defendant: declare guilt
- pneumaticity — the condition of being pneumatic
- policymakers — a person responsible for making policy, especially in government.
- policymaking — a person responsible for making policy, especially in government.
- pollyannaish — an excessively or blindly optimistic person.
- pollyannaism — an excessively or blindly optimistic person.
- polyarchical — a form of government in which power is vested in three or more persons.
- polycythemia — an abnormal increase in the number and concentration of circulating red blood corpuscles
- polygamistic — a person who practices or favors polygamy.
- polygraphist — an instrument for receiving and recording simultaneously tracings of variations in certain body activities.
- polyomavirus — any of a genus (Polyomavirus) of papovaviruses that naturally infect wild and laboratory mice, and that cause tumors when injected into newborn mice