14-letter words containing a, t, y, p, i
- petty official — a minor official in government, etc
- phase velocity — the velocity with which a simple harmonic wave is propagated, equal to the wavelength divided by the period of vibration.
- phenotypically — the observable constitution of an organism.
- phenylthiourea — a crystalline, slightly water-soluble solid, C 6 H 5 NHCSNH 2 , that is either tasteless or bitter, depending upon the heredity of the taster, and is used in medical genetics and as a diagnostic.
- photocatalysis — the acceleration or retardation of the reaction rate in chemical reactions by light.
- photocatalytic — the acceleration or retardation of the reaction rate in chemical reactions by light.
- photolytically — in a photolytic manner, by photolytic means
- phthalocyanine — Also called metal-free phthalocyanine. a blue-green pigment, C 3 2 H 1 8 N 8 , derived from phthalic anhydride.
- phyllosilicate — any silicate mineral having the tetrahedral silicate groups linked in sheets, each group containing four oxygen atoms, three of which are shared with other groups so that the ratio of silicon atoms to oxygen atoms is two to five.
- picture layout — a picture spread. See under spread (def 33).
- pituitary body — (formerly) the pituitary gland.
- plastic memory — the tendency of certain plastics after being deformed to resume their original form when heated
- platinocyanide — a salt of platinocyanic acid.
- play hell with — to throw into confusion and disorder; disrupt
- play it by ear — a dramatic composition or piece; drama.
- play the field — an expanse of open or cleared ground, especially a piece of land suitable or used for pasture or tillage.
- play with fire — a state, process, or instance of combustion in which fuel or other material is ignited and combined with oxygen, giving off light, heat, and flame.
- pleasurability — the characteristic of being pleasurable
- pleural cavity — a narrow, fluid-filled space between the pleural membranes of the lung and the inner chest wall.
- pneumatic tyre — a rubber tyre filled with air under pressure, used esp on motor vehicles
- poetry reading — a public recital or rendering of a poem
- polarizability — to cause polarization in.
- polyfunctional — containing more than one functional group.
- polymerization — the act or process of forming a polymer or polymeric compound.
- porphyrization — reduction to a powder, formerly done on a slab of porphyry.
- port authority — a government commission that manages bridges, tunnels, airports, and other such facilities of a port or city.
- postfix syntax — postfix notation
- potato psyllid — a tiny homopterous insect, Paratrioza cockerelli, occurring in some areas of the western U.S., western Canada, and Mexico: a serious pest to potatoes, tomatoes, eggplants, and peppers, the nymphs acting as vectors in the transmission of psyllid yellows.
- potty training — teaching an infant to use the toilet
- practicability — capable of being done, effected, or put into practice, with the available means; feasible: a practicable solution.
- prairie oyster — 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.
- prayer meeting — a meeting chiefly for prayer.
- praying mantis — mantis.
- predesignatory — in the terminology of Sir William Hamilton, (of a sign) affixed to a proposition or term to indicate quantity
- predictability — consistent repetition of a state, course of action, behavior, or the like, making it possible to know in advance what to expect: The predictability of their daily lives was both comforting and boring.
- preferentially — of, relating to, or of the nature of preference: preferential policies.
- premeditatedly — done deliberately; planned in advance: a premeditated murder.
- preoperatively — in a preoperative context
- presentability — that may be presented.
- presymptomatic — relating to or describing a symptom that occurs before the typical symptoms of a disease
- primacy effect — the process whereby the first few items on a list are learnt more rapidly than the middle items
- primal therapy — a form of psychotherapy in which the patient is encouraged to relive traumatic events, often screaming or crying, in order to achieve catharsis and a breakdown of psychological defenses.
- primary accent — the principal or strongest stress of a word.
- primary growth — growth in vascular plants, especially an increase in length, that results from cell division and differentiation of an apical meristem.
- primary letter — a lowercase character having neither a descender nor an ascender, as a, c, e, i, m, n, o, r, s, u, v, w, x, z.
- primary stress — primary accent.
- primary tissue — any tissue resulting directly from differentiation of an apical meristem.
- principal type — The most general type of an expression. For example, the following are all valid types for the lambda abstraction (\ x . x): Int -> Int Bool -> Bool (a->b) -> (a->b) but any valid type will be an instance of the principal type: a -> a. An instance is derived by substituting the same type expression for all occurences of some type variable. The principal type of an expression can be computed from those of its subexpressions by Robinson's unification algorithm.
- private equity — equity in a business that is raised from private sources, as opposed to shares that can be traded publicly
- private treaty — a property sale based on terms resulting from a conference between buyer and seller.