19-letter words containing m, a, c, r, o, u
- oceanus procellarum — (Ocean of Storms) the largest dark plain on the face of the moon, in the second and third quadrants: about 2 million square miles (5.2 million sq. km).
- ordnance survey map — An Ordnance Survey map is a detailed map produced by the British or Irish government map-making organization.
- parametric equation — one of two or more equations expressing the location of a point on a curve or surface by determining each coordinate separately.
- party-column ballot — Indiana ballot.
- paumotu archipelago — Tuamotu Archipelago.
- penecontemporaneous — formed during or shortly after the formation of the containing rock stratum: penecontemporaneous minerals.
- performance figures — the statistics that indicate how well or badly a company or organization has performed
- pneumoencephalogram — an encephalogram made after the replacement of the cerebrospinal fluid by air or gas, rarely used since the development of the CAT scanner.
- pneumogastric nerve — the vagus nerve.
- potassium carbonate — a white, granular, water-soluble powder, K 2 CO 3 , used chiefly in the manufacture of soap, glass, and potassium salts.
- presumption of fact — a presumption based on experience or knowledge of the relationship between a known fact and a fact inferred from it.
- production platform — offshore power station
- quantum electronics — the application of quantum mechanics and quantum optics to the study and design of electronic devices
- quartermaster corps — the branch of the U.S. Army responsible for supplying food, clothing, fuel, and equipment and for the operation of commissaries, laundries, etc.
- radiopharmaceutical — any of a number of radioactive drugs used diagnostically or therapeutically.
- reactor temperature — The reactor temperature is the temperature at various stages in a reactor in an FCC unit.
- republic of vietnam — the name (from 1955–75) for South Vietnam, as an independent republic, following the division of the country in 1954 into North Vietnam and South Vietnam
- reticular formation — a network of neurons in the brainstem involved in consciousness, regulation of breathing, the transmission of sensory stimuli to higher brain centers, and the constantly shifting muscular activity that supports the body against gravity.
- rocky mountain goat — a long-haired, white, antelopelike wild goat, Oreamnos americanus, of mountainous regions of western North America, having short, black horns.
- sacramento sturgeon — white sturgeon.
- semiconductor laser — a laser in which a semiconductor is the light-emitting source, used in many medical procedures.
- sharp-focus realism — photorealism.
- smokestack industry — A smokestack industry is a traditional industry such as heavy engineering or manufacturing, rather than a modern industry such as electronics.
- synchronous machine — an alternating-current machine in which the average speed of normal operation is exactly proportional to the frequency of the system to which it is connected.
- take one's cue from — If you take your cue from someone or something, you do something similar in a particular situation.
- telescopic umbrella — an umbrella having parts that telescope
- to change your mind — If you change your mind, or if someone or something changes your mind, you change a decision you have made or an opinion that you had.
- torricellian vacuum — the vacuum at the top of a Torricellian tube
- tuamotu archipelago — a group of about 80 coral islands in the S Pacific, in French Polynesia. Pop: 15 973 (2002; including the Gambier Islands). Area: 860 sq km (332 sq miles)
- ultramicrochemistry — the branch of microchemistry dealing with minute quantities of material weighing one microgram or less.
- vacuum coffee maker — a coffee pot with upper and lower glass units, the upper for ground coffee and the lower for water that, when boiled, rises through the filter-stoppered bottom of the upper unit and remains there until drawn back down to the lower unit as brewed coffee by a reduction in pressure caused by the removal of heat.
- victor emmanuel iii — 1869–1947, king of Italy 1900–46.
- vinculum matrimonii — the bond of matrimony.
- volumetric analysis — determination of the concentration, by volume, of a substance in a solution, as by titration.