12-letter words containing p, e, r, t
- peritoneally — through the peritoneum
- peritrichate — (of bacteria) having flagella on the entire surface.
- peritrichous — (of bacteria) having a uniform distribution of flagella over the body surface.
- perle cotton — a two-ply mercerized cotton thread used chiefly in handweaving and needlework.
- permaculture — a system of cultivation intended to maintain permanent agriculture or horticulture by relying on renewable resources and a self-sustaining ecosystem.
- permanganate — a salt of permanganic acid, as potassium permanganate.
- permeability — the property or state of being permeable.
- permissivist — lenience toward or indulgence of a wide variety of social behavior.
- permittivity — Electricity. the ratio of the flux density produced by an electric field in a given dielectric to the flux density produced by that field in a vacuum.
- 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
- peroxyborate — perborate.
- 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.
- perplexities — the state of being perplexed; confusion; uncertainty.
- perquisition — an intensive and meticulous examination, pursuit, or hunt for something
- perseverator — a person who perseverates
- 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.
- persistently — persisting, especially in spite of opposition, obstacles, discouragement, etc.; persevering: a most annoyingly persistent young man.
- 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.
- pertinacious — holding tenaciously to a purpose, course of action, or opinion; resolute.
- perturbation — the act of perturbing.
- perturbative — having a tendency to perturb; disturbing.
- peru current — Humboldt current
- pest control — rats, insects: extermination
- pester power — the ability possessed by a child to nag a parent relentlessly until the parent succumbs and agrees to the child's request
- pet passport — a document that officially records information related to a specific animal, as part of a scheme that allows animals to travel between member countries without undergoing quarantine
- petaliferous — bearing or having petals.
- peterborough — a city in Cambridgeshire, in central England.
- petit beurre — a small, usually oblong butter cookie.
- 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
- petrobrusian — a member of a 12th-century sect in S France that rejected the Mass, infant baptism, prayers for the dead, sacerdotalism, the veneration of the cross, and the building of churches.
- petrobutanol — butyl alcohol.
- petrochemist — someone who studies petrochemistry or works in the petrochemical industry
- petrodollars — Petrodollars are a unit of money used to calculate how much a country has earned by exporting petroleum or natural gas.
- petrogenesis — the branch of petrology dealing with the origin and formation of rocks.
- petrogenetic — relating to petrogenesis
- petroglyphic — relating to or having the characteristics of a petroglyph or carving made in rock
- petrol gauge — a gauge that indicates the amount of petrol left in the tank of a vehicle