10-letter words containing s, i, r, p
- pectoralis — either of two muscles on each side of the upper and anterior part of the thorax, the action of the larger (pectoralis major) assisting in drawing the shoulder forward and rotating the arm inward, and the action of the smaller (pectoralis minor) assisting in drawing the shoulder downward and forward.
- pedestrian — a person who goes or travels on foot; walker.
- pediatrics — the branch of medicine concerned with the development, care, and diseases of babies and children.
- pediatrist — a physician who specializes in pediatrics.
- pedicurist — professional care and treatment of the feet, as removal of corns and trimming of toenails.
- peninsular — an area of land almost completely surrounded by water except for an isthmus connecting it with the mainland.
- pensionary — a pensioner.
- pensioneer — to canvas votes by promising higher pensions
- pentaprism — a prism that has five faces, a pair of which are at 90° to each other; a ray entering one of the pair emerges from the other at an angle of 90° to its original direction: used especially in single-lens reflex cameras to reverse images laterally and reflect them to the viewfinder.
- percussion — the striking of one body against another with some sharpness; impact; blow.
- percussive — of, relating to, or characterized by percussion.
- perfidious — deliberately faithless; treacherous; deceitful: a perfidious lover.
- pergelisol — permafrost.
- periastron — the point at which the stars of a binary system are closest (opposed to apastron).
- periculous — dangerous; perilous
- periegesis — a descriptive account of a place or area
- perigynous — situated around the pistil on the edge of a cuplike receptacle, as stamens or petals.
- perilously — involving or full of grave risk or peril; hazardous; dangerous: a perilous voyage across the Atlantic in a small boat.
- perimysium — the connective tissue surrounding bundles of skeletal muscle fibers.
- periosteum — the normal investment of bone, consisting of a dense, fibrous outer layer, to which muscles attach, and a more delicate, inner layer capable of forming bone.
- periphrase — the use of an unnecessarily long or roundabout form of expression; circumlocution.
- periscopic — Optics. (of certain lenses in special microscopes, cameras, etc.) giving distinct vision obliquely, or all around, as well as, or instead of, in a direct line.
- perishable — subject to decay, ruin, or destruction: perishable fruits and vegetables.
- perishment — to die or be destroyed through violence, privation, etc.: to perish in an earthquake.
- perjurious — the willful giving of false testimony under oath or affirmation, before a competent tribunal, upon a point material to a legal inquiry.
- perlucidus — (of a cloud) having transparent spaces between the elements.
- permission — authorization granted to do something; formal consent: to ask permission to leave the room.
- permissive — habitually or characteristically accepting or tolerant of something, as social behavior or linguistic usage, that others might disapprove or forbid.
- pernicious — causing insidious harm or ruin; ruinous; injurious; hurtful: pernicious teachings; a pernicious lie.
- perovskite — a naturally occurring titanate of calcium, CaTiO 3 , found as yellow, brown, or black cubic crystals, usually in metamorphic rocks.
- peroxidase — any of a class of oxidoreductase enzymes that catalyze the oxidation of a compound by the decomposition of hydrogen peroxide or an organic peroxide.
- peroxisome — a cell organelle containing catalase, peroxidase, and other oxidative enzymes and performing essential metabolic functions, as the decomposition of fatty acids and hydrogen peroxide.
- perquisite — an incidental payment, benefit, privilege, or advantage over and above regular income, salary, or wages: Among the president's perquisites were free use of a company car and paid membership in a country club.
- persepolis — an ancient capital of Persia: its imposing ruins are in S Iran, about 30 miles (48 km) NE of Shiraz.
- persiennes — (used with a plural verb) Persian blinds.
- persiflage — light, bantering talk or writing.
- persifleur — a person who is fond of persiflage
- persistent — persistence
- persisting — to continue steadfastly or firmly in some state, purpose, course of action, or the like, especially in spite of opposition, remonstrance, etc.: to persist in working for world peace; to persist in unpopular political activities.
- persistive — to continue steadfastly or firmly in some state, purpose, course of action, or the like, especially in spite of opposition, remonstrance, etc.: to persist in working for world peace; to persist in unpopular political activities.
- personalia — the accoutrements, concerns, or intimations that are personal to one
- perspiring — to secrete a salty, watery fluid from the sweat glands of the skin, especially when very warm as a result of strenuous exertion; sweat.
- perstringe — to allude to or imply
- persuasion — the act of persuading or seeking to persuade.
- persuasive — able, fitted, or intended to persuade: a very persuasive argument.
- perthshire — Perth (def 1).
- perversion — the act of perverting.
- perversity — the state or quality of being perverse.
- perversive — tending to pervert.
- petri dish — a shallow, circular, glass or plastic dish with a loose-fitting cover over the top and sides, used for culturing bacteria and other microorganisms.