15-letter words containing m, i, s, t
- opencast mining — mining by excavating from the surface
- opening batsman — a player who bats the first ball in cricket
- operations room — a room from which all the operations of a military, police, or other disciplined activity are controlled
- ophthalmologist — a doctor of medicine specializing in ophthalmology.
- ophthalmoscopic — Of, pertaining to or using an ophthalmoscope.
- opposite number — counterpart; equivalent: New members with an interest in folk art will find their opposite numbers in the association's directory.
- opposite prompt — the offstage area to the right as one faces the audience. Abbreviation: O.P.
- outdoorsmanship — a person devoted to outdoor sports and recreational activities, as hiking, hunting, fishing, or camping.
- over-enthusiasm — absorbing or controlling possession of the mind by any interest or pursuit; lively interest: He shows marked enthusiasm for his studies.
- over-estimation — to estimate at too high a value, amount, rate, or the like: Don't overestimate the car's trade-in value.
- overconsumption — the act of consuming, as by use, decay, or destruction.
- overpessimistic — excessively pessimistic or negative in outlook
- overstimulation — to rouse to action or effort, as by encouragement or pressure; spur on; incite: to stimulate his interest in mathematics.
- ozark mountains — an eroded plateau in S Missouri, N Arkansas, and NE Oklahoma. Area: about 130 000 sq km (50 000 sq miles)
- 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
- panophthalmitis — the inflammation of all eye tissue
- panoramic sight — an artillery sight that can be rotated horizontally in a full circle.
- pantopragmatics — universal intervention in the affairs of others
- 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.
- photojournalism — journalism in which photography dominates written copy, as in certain magazines.
- 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
- plagiostomatous — plagiostome
- 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.
- pontifical mass — (sometimes lowercase) Roman Catholic Church. a High Mass celebrated by a bishop or other prelate.
- 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
- poststimulation — occurring after stimulation
- poststimulatory — following stimulation