15-letter words containing p, i, e, t, s, m
- pachymeningitis — inflammation of the dura mater of the brain and spinal cord
- palaeomagnetism — the study of the fossil magnetism in rocks, used to determine the past configurations of the continents and to investigate the past shape and magnitude of the earth's magnetic field
- palaeomagnetist — a student of or expert in palaeomagnetism
- parasympathetic — pertaining to that part of the autonomic nervous system consisting of nerves and ganglia that arise from the cranial and sacral regions and function in opposition to the sympathetic system, as in inhibiting heartbeat or contracting the pupil of the eye.
- pars intermedia — a small, somewhat cherry-shaped double structure attached by a stalk to the base of the brain and constituting the master endocrine gland affecting all hormonal functions in the body, consisting of an anterior region ((anterior pituitary) or (adenohypophysis)) that develops embryonically from the roof of the mouth and that secretes growth hormone, LH, FSH, ACTH, TSH, and MSH, a posterior region ((posterior pituitary) or (neurohypophysis)) that develops from the back of the forebrain and that secretes the hormones vasopressin and oxytocin, and an intermediate part (pars intermedia) derived from the anterior region but joined to the posterior region, that secretes the hormone MSH in lower vertebrates.
- pavement artist — sidewalk artist.
- pedestrian mall — A pedestrian mall is the same as a pedestrian precinct.
- pematangsiantar — a city on NE Sumatra, in Indonesia.
- performing arts — dance, drama, music
- periodic system — a system of classification of the elements based on the periodic law.
- pessimistically — pertaining to or characterized by pessimism or the tendency to expect only bad outcomes; gloomy; joyless; unhopeful: His pessimistic outlook kept him from applying for jobs for which he was perfectly qualified.
- peter of amiens — c1050–1115, French monk: preacher of the first Crusade 1095–99.
- phenomenalistic — the doctrine that phenomena are the only objects of knowledge or the only form of reality.
- phenomenologist — the study of phenomena.
- photomicroscope — a microscope having an illuminator and a camera mechanism for producing a photomicrograph.
- pilgrim fathers — the Pilgrims (of Plymouth Colony)
- pilgrimage site — a shrine or other sacred place that people travel to as an act of religious devotion
- plainclothesman — a police officer, especially a detective, who wears ordinary civilian clothes while on duty.
- platform tennis — a variation of tennis played on a wooden platform enclosed with chicken wire in which the players hit a rubber ball with wooden paddles following the same basic rules as tennis except that only one serve is permitted and balls can be played off the back and side fences.
- platyhelminthes — a phylum of worms having bilateral symmetry and a soft, usually flattened body, comprising the flatworms.
- poikilothermism — the state or quality of being cold-blooded, as fishes and reptiles.
- pontine marshes — an area of W Italy, southeast of Rome: formerly malarial swamps, drained in 1932–34 after numerous attempts since 160 bc had failed
- position isomer — any of two or more isomers that differ only in the position occupied by a substituent.
- positive column — the luminous region between the Faraday dark space and the anode glow in a vacuum tube, occurring when the pressure is low.
- posse comitatus — the body of persons that a peace officer of a county is empowered to call upon for assistance in preserving the peace, making arrests, and serving writs.
- post-millennial — of or relating to the period following the millennium.
- post-retirement — the act of retiring, withdrawing, or leaving; the state of being retired.
- posthemorrhagic — occurring after a haemorrhage
- power macintosh — Power Mac
- pragmaticalness — the quality of being pragmatical or meddlesome
- pre-consumption — the act of consuming, as by use, decay, or destruction.
- pre-romanticism — romantic spirit or tendency.
- preferentialism — the economic system of preference, esp amongst British commonwealth countries
- preformationism — the belief in the theory of preformation
- preformationist — someone who advocates the theory of preformation
- prerequirements — that which is required; a thing demanded or obligatory: One of the requirements of the job is accuracy.
- presbyterianism — church government by presbyters or elders, equal in rank and organized into graded administrative courts.
- presentationism — the doctrine that in perception, or in all forms of knowledge, there is an immediate awareness of the things perceived.
- preservationism — a person who advocates or promotes preservation, especially of wildlife, natural areas, or historical places.
- primary storage — main memory
- prismatic layer — the middle layer of the shell of certain mollusks, consisting chiefly of crystals of calcium carbonate.
- promissory note — a written promise to pay a specified sum of money to a designated person or to his or her order, or to the bearer of the note, at a fixed time or on demand.
- pseudo-dramatic — of or relating to the drama.
- pseudo-military — of, for, or pertaining to the army or armed forces, often as distinguished from the navy: from civilian to military life.
- pseudo-romantic — of, relating to, or of the nature of romance; characteristic or suggestive of the world of romance: a romantic adventure.
- pseudomutuality — a relationship between two persons in which conflict of views or opinions is solved by simply ignoring it
- psychochemistry — the treatment of mental illnesses by drugs
- psychotomimetic — (of a substance or drug) tending to produce symptoms like those of a psychosis; hallucinatory.
- quasi-permanent — existing perpetually; everlasting, especially without significant change.
- red spider mite — a plant-feeding mite, Panonychus ulmi, of the family Tetranychidae, which is a serious orchard pest