15-letter words containing o, m, i, t, s
- 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)
- 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
- performing arts — dance, drama, music
- periodic system — a system of classification of the elements based on the periodic law.
- 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.
- 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.
- 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
- potting compost — Potting compost is soil that is specially prepared to help plants to grow, especially in containers.
- power macintosh — Power Mac
- pre-consumption — the act of consuming, as by use, decay, or destruction.
- pre-romanticism — romantic spirit or tendency.
- preformationism — the belief in the theory of preformation
- preformationist — someone who advocates the theory of preformation
- 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
- 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.
- proximity talks — a diplomatic process whereby an impartial representative acts as go-between for two opposing parties who are willing to attend the same conference but unwilling to meet face to face
- 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-automatic — having the capability of starting, operating, moving, etc., independently: an automatic sprinkler system; an automatic car wash.
- question master — quizmaster.