19-letter words containing c, u, p, r, o, n
- pugwash conferences — international peace conferences of scientists held regularly to discuss world problems: Nobel peace prize 1995 awarded to Joseph Rotblat (1908–2005) , one of the founders of the conferences, secretary-general (1957–73), and president (1988–97)
- rap on the knuckles — a mild reprimand or light sentence
- reconceptualization — to form into a concept; make a concept of.
- recording equipment — devices used for sound reproduction
- reduction potential — (in a galvanic cell) the potential of the electrode at which reduction occurs.
- republic of ireland — John, 1838–1918, U.S. Roman Catholic clergyman and social reformer, born in Ireland: archbishop of St. Paul, Minn., 1888–1918.
- 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
- reserved occupation — in time of war, an occupation from which one will not be called up for military service
- ruffini's corpuscle — an end organ of certain sensory neurons that branches out parallel to the skin and responds to steady pressure.
- san juan capistrano — a city in SW California: site of old Spanish mission; known for annual return of swallows, said to occur on March 19.
- scale down (or up) — to reduce (or increase), often according to a fixed ratio or proportion
- sexual reproduction — reproduction involving the union of gametes.
- southern crab apple — a tree, Malus angustifolia, of the eastern U.S., having oblong leaves, fragrant, pink or rose-colored flowers, and small, round, yellow-green fruit.
- specular reflection — Specular reflection is reflection of heat or light in which the angles of different parts of the surface are important.
- sphere of influence — any area in which one nation wields dominant power over another or others.
- stationery cupboard — a cupboard where things like paper, pens and paper clips are kept
- strict counterpoint — the application of the rules of counterpoint as an academic exercise
- substitution cipher — a cipher that replaces letters of the plain text with another set of letters or symbols.
- succession of crops — the continuous cultivation of a crop throughout a season by successive plantings or by the use of varieties with different rates of growth.
- therapeutic cloning — the permitted creation of cloned human tissues for surgical transplant
- triple counterpoint — invertible counterpoint involving three transposable voices.
- trooping the colour — a military ceremony, performed by regiments of the British army and the Commonwealth, in which the regimental colour or flag is marched past ranks of troops
- trumpet honeysuckle — an American honeysuckle, Lonicera sempervirens, having spikes of large, tubular flowers, deep-red outside and yellow within.
- trusteeship council — a United Nations body that supervises the government of a territory by a foreign country
- under police escort — If you go somewhere or are taken somewhere under police escort, you go there accompanied by a police escort.
- upper carboniferous — Pennsylvanian (defs 2, 4).
- vapor recovery unit — A vapor recovery unit is a system for recovering vapors from inside sealed crude oil or condensate tanks, with a scrubber (= a device for removing unwanted substances) and compressor (= a device that raises pressure).