12-letter words containing p, a, r, i
- pereira bark — the bark of any of several South American trees belonging to the genus Geissospermum, of the dogbane family, especially that of G. vellosii, used in Brazil to allay fever.
- perenniality — lasting for an indefinitely long time; enduring: her perennial beauty.
- perfectation — the action or process of becoming or causing to become perfect or complete
- perforations — the holes punched that allow individual stamps, coupons, etc to be easily separated
- performative — (of an expression or statement) performing an act by the very fact of being uttered, as with the expression “I promise,” that performs the act of promising.
- pericarditis — inflammation of the pericardium.
- perichaetial — denoting the leaves in mosses that surround the archegonia and, later, the base of the sporophyte
- perichaetium — a leafy cluster (bracts) around the base of the reproductive organs of some plants, predominantly mosses
- perimetrical — the border or outer boundary of a two-dimensional figure.
- perinatology — a field of medicine focusing on problems emerging during the perinatal period.
- period drama — a drama set in a particular historical period
- periodic law — the law that the properties of the elements are periodic functions of their atomic numbers.
- periodically — recurring at intervals of time: periodic revivals of an interest in handicrafts.
- periostracum — the external, chitinlike covering of the shell of certain mollusks that protects the limy portion from acids.
- peripherally — pertaining to, situated in, or constituting the periphery: peripheral resistance on the outskirts of the battle area.
- periphrastic — circumlocutory; roundabout.
- peristomatic — surrounding a leaf's stoma or stomata
- peritoneally — through the peritoneum
- peritrichate — (of bacteria) having flagella on the entire surface.
- perivisceral — surrounding or situated about the viscera.
- permeability — the property or state of being permeable.
- pernoctation — the act of staying all night in a place, esp for prayer or as a vigil
- perorational — of, pertaining to, or characteristic of a peroration
- peroxidation — a type of reaction in which oxygen atoms are formed leading to the production of peroxides. It is stimulated in the body by certain toxins and infections
- perpetrating — to commit: to perpetrate a crime.
- perpetration — to commit: to perpetrate a crime.
- perpetualism — a belief in the permanence of a given thing; the belief that a given thing (e.g. the world, a political system) will last forever
- perpetualist — someone who holds to any form of perpetualism
- perpetuality — continuing or enduring forever; everlasting.
- perpetuating — to make perpetual.
- perpetuation — to make perpetual.
- perphenazine — a crystalline, water-insoluble powder, C 2 1 H 2 6 ClN 3 OS, used chiefly as a tranquilizer and in the treatment of intractable hiccoughs and nausea and vomiting.
- persian gulf — strait in the Indian Ocean
- persian knot — a hand-tied knot, used in rug weaving, in which the ends of yarn looped around a warp thread appear at each of the interstices between adjacent threads and produce a compact and relatively even pile effect.
- persian lamb — the young lamb of the Karakul sheep.
- personalised — to have marked with one's initials, name, or monogram: to personalize stationery.
- personalized — customized
- perspectival — a technique of depicting volumes and spatial relationships on a flat surface. Compare aerial perspective, linear perspective.
- perspicacity — keenness of mental perception and understanding; discernment; penetration.
- perspiration — a salty, watery fluid secreted by the sweat glands of the skin, especially when very warm as a result of strenuous exertion; sweat.
- perspiratory — of, relating to, or stimulating perspiration.
- persuasively — able, fitted, or intended to persuade: a very persuasive argument.
- pertinacious — holding tenaciously to a purpose, course of action, or opinion; resolute.
- perturbation — the act of perturbing.
- perturbative — having a tendency to perturb; disturbing.
- pervicacious — extremely willful; obstinate; stubborn.
- petaliferous — bearing or having petals.
- petite sirah — a dry red wine produced mainly in California
- petrifaction — the act or process of petrifying; the state of being petrified.
- petrifactive — having the ability to turn substances into stone