19-letter words containing o, e, i, c
- over-commercialized — to make commercial in character, methods, or spirit.
- overhead projection — the projection (using an overhead projector) of an enlarged image of a transparency onto a surface above and behind the person using it
- oxidation-reduction — a chemical reaction between two substances in which one substance is oxidized and the other reduced.
- pancreatic fibrosis — cystic fibrosis.
- paradichlorobenzene — a white, crystalline, volatile, water-insoluble solid, C 6 H 4 Cl 2 , of the benzene series, having a penetrating odor: used chiefly as a moth repellent.
- parallel processing — extending in the same direction, equidistant at all points, and never converging or diverging: parallel rows of trees.
- parallel projection — a projection from one plane to a second plane in which the lines joining points on the first plane and corresponding images are parallel.
- parametric equation — one of two or more equations expressing the location of a point on a curve or surface by determining each coordinate separately.
- parasympathomimetic — having an effect similar to that produced when the parasympathetic nervous system is stimulated
- parathyroid extract — an aqueous preparation obtained from the parathyroid gland of cattle, used in medicine chiefly in cases of parathyroid deficiency and in veterinary medicine in the treatment of tetanic convulsions.
- parthenogenetically — development of an egg without fertilization.
- particle dispersoid — A particle dispersoid is a suspension of solid particles in a gas.
- particle separation — a rule that moves the particle of a phrasal verb, thus deriving a sentence like He looked the answer up from a structure that also underlies He looked up the answer
- particle technology — Particle technology is knowledge and study which relates to particles, and is used in industry.
- pastoral counseling — the use of psychotherapeutic techniques by trained members of the clergy to assist parishioners who seek help for personal or emotional problems.
- pattern recognition — the automated identification of shapes or forms or patterns of speech.
- paumotu archipelago — Tuamotu Archipelago.
- pedestrian crossing — place to cross road
- percussion drilling — Percussion drilling is a drilling method which involves lifting and dropping heavy tools to break rock, and uses steel casing tubes to stop the borehole from collapsing.
- perfect competition — when neither producer nor consumer controls price
- perfect progressive — a verb form including the auxiliary have followed by been and a present participle, noting the continuation of an activity or event, its incompleteness or interruption, and its connection to the temporal point of reference, as in I've been waiting for over an hour, They had been talking about her before she came into the room, or In July, he will have been living here for two years.
- performance anxiety — the stage fright that a person feels when they are about to perform (a play, piece of music etc) in front of an audience
- performance figures — the statistics that indicate how well or badly a company or organization has performed
- peroxysulfuric acid — persulfuric acid (def 1).
- persecution complex — an acute irrational fear that other people are plotting one's downfall and that they are responsible for one's failures
- phacoemulsification — the removal of a cataract by first liquefying the affected lens with ultrasonic vibrations and then extracting it by suction.
- phakoemulsification — the removal of a cataract by first liquefying the affected lens with ultrasonic vibrations and then extracting it by suction.
- phenylthiocarbamide — a crystalline, slightly water-soluble solid, C 6 H 5 NHCSNH 2 , that is either tasteless or bitter, depending upon the heredity of the taster, and is used in medical genetics and as a diagnostic.
- photoelectric meter — an exposure meter using a photocell for the measurement of light intensity.
- photographic memory — total recall
- photoreconnaissance — reconnaissance using aerial photography.
- photovoltaic effect — the phenomenon in which the incidence of light or other electromagnetic radiation upon the junction of two dissimilar materials, as a metal and a semiconductor, induces the generation of an electromotive force.
- phthalocyanine blue — a pigment used in painting, derived from copper phthalocyanine and characterized chiefly by its brilliant, dark-blue color and by permanence.
- piece of the action — the process or state of acting or of being active: The machine is not in action now.
- pied-de-biche spoon — a spoon having a handle with a trifid end.
- pileated woodpecker — a large, black-and-white American woodpecker, Dryocopus pileatus, having a prominent red crest.
- pilgrimage of grace — a rebellion in 1536 in N England against the Reformation and Henry VIII's government
- pillars of hercules — the two promontories at the E end of the Strait of Gibraltar: the Rock of Gibraltar on the European side and the Jebel Musa on the African side; according to legend, formed by Hercules
- pirates of penzance — an operetta (1879) by Sir William S. Gilbert and Sir Arthur Sullivan.
- pistachio ice cream — ice cream flavoured with pistachios
- plastic deformation — In plastic deformation a material changes shape when a stress is applied to it and does not go back to its original state when the stress is removed.
- pneumatic conveying — Pneumatic conveying is the movement of powdered or granulated solids using air.
- pneumogastric nerve — the vagus nerve.
- pocket-handkerchief — handkerchief (def 1).
- poincare conjecture — Mathematics. the question of whether a compact, simply connected three-dimensional manifold is topologically equivalent to a three-dimensional sphere.
- point of inflection — inflection point.
- police headquarters — building where police are stationed
- police intervention — the physical involvement of police officers in an incident, esp where officers use force to control public disorder, such as a riot
- political geography — the branch of human geography that deals with the relationship between political processes and spatial structures (regions, territories, etc)
- political scientist — A political scientist is someone who studies, writes, or lectures about political science.