17-letter words containing i, l, r
- partially sighted — unable to see properly so that even with corrective aids normal activities are prevented or seriously hindered
- particle kinetics — Particle kinetics is the study of the movement of particles and the forces that cause this movement.
- particle velocity — the velocity of a point in a medium that is undergoing wave motion.
- particularization — to make particular.
- parts per million — the number of units (of a substance) present in a million units of another substance
- pascal's triangle — a triangular arrangement of the binomial coefficients of the expansion (x + y) n for positive integral values of n.
- past life therapy — a form of hypnosis or meditation based on the belief that an individual's present problems are rooted in events that occurred before birth in this life
- paternalistically — the system, principle, or practice of managing or governing individuals, businesses, nations, etc., in the manner of a father dealing benevolently and often intrusively with his children: The employees objected to the paternalism of the old president.
- pathological liar — a person who tells lies frequently, with no rational motive for doing so.
- patriarchal cross — a Latin cross having a shorter crosspiece above the customary one.
- pauline privilege — (in canon law) the privilege given to converts to dissolve a marriage with an unbaptized spouse if either obstructs the religious practices of the other.
- peloponnesian war — a war between Athens and Sparta, 431–404 b.c., that resulted in the transfer of hegemony in Greece from Athens to Sparta.
- percussion bullet — a bullet that is exploded by percussion
- peridot of ceylon — a honey-colored tourmaline, used as a gem: not a true peridot.
- period-revolution — a rather large interval of time that is meaningful in the life of a person, in history, etc., because of its particular characteristics: a period of illness; a period of great profitability for a company; a period of social unrest in Germany.
- periodical cicada — seventeen-year locust.
- peripheral device — peripheral
- peripheral vision — all that is visible to the eye outside the central area of focus; side vision.
- perpetual spinach — a variety of spinach that keeps producing edible leaves
- personal distance — personal space.
- personal equation — the tendency to personal bias that accounts for variation in interpretation or approach and for which allowance must be made.
- personality clash — friction between two people who have different personalities or points of view
- personnel carrier — a vehicle used for transporting troops
- personnel officer — a worker responsible for recruiting employees and dealing with matters relating to them
- petrol filler cap — a small cover that goes over the hole in a vehicle into which you put petrol
- pharmacologically — the science dealing with the preparation, uses, and especially the effects of drugs.
- phenylformic acid — benzoic acid.
- philanthropically — of, pertaining to, engaged in, or characterized by philanthropy; benevolent: a philanthropic foundation.
- philosopher kings — the Platonic ideal of a ruler, philosophically trained and enlightened.
- phonological rule — an operation in generative phonology that substitutes one sound or class of sounds for another in a phonological derivation.
- physical exercise — movements and activities done to keep your body healthy or make it stronger
- physical training — fitness coaching
- piccadilly circus — a traffic circle and open square in W London, England: theater and amusement center.
- pied-billed grebe — an American grebe, Podilymbus podiceps, having a whitish bill with a black band around it.
- pillar-and-breast — room-and-pillar.
- pillion passenger — a person who travels in a seat or place behind the rider of a motorcycle, scooter, horse, etc
- pincushion flower — scabious2 (def 1).
- pittsburg landing — a village in SW Tennessee, on the Tennessee River: battle of Shiloh in 1862.
- plains of abraham — a high plain adjoining the city of Quebec, Canada: battlefield where the English under Wolfe defeated the French under Montcalm in 1759.
- plastics industry — the industry that makes plastics
- platinic chloride — chloroplatinic acid.
- plumbing fixtures — things such as pipes, sinks, toilets that are fixed in position in a building
- pluvius insurance — insurance against rain
- point reyes lilac — a prostrate shrub, Ceanothus gloriosus, of southern California, having leathery, roundish leaves and purplish or deep-blue flowers.
- pointer swizzling — swizzle
- poison-pen letter — A poison-pen letter is an unpleasant unsigned letter which is sent in order to upset someone or to cause trouble.
- polar continental — a type of cold, dry air mass originating at high latitudes over land areas
- polar coordinates — Usually, polar coordinates. one of two coordinates used to locate a point in a plane by the length of its radius vector and the angle this vector makes with the polar axis (polar angle)
- polarizing filter — a camera lens filter used to control the plane of polarization of light entering the lens.
- police department — A police department is an official organization which is responsible for making sure that people obey the law.