19-letter words containing c, a, f, e, r, o
- professional advice — advice given by someone trained in a particular and relevant profession or job
- professional school — a postgraduate school or college which trains students for a particular profession
- 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)
- radioactive fallout — the settling to the ground of airborne particles ejected into the atmosphere from the earth by explosions, eruptions, forest fires, etc., especially such settling from nuclear explosions (radioactive fallout) Compare rainout.
- radius of curvature — the absolute value of the reciprocal of the curvature at a point on a curve.
- reciprocity failure — a failure of the two exposure variables, light intensity and exposure time, to behave in a reciprocal fashion at very high or very low values
- 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
- research fellowship — the position or office of someone who conducts academic research into a subject at a university, etc
- 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.
- saccharofarinaceous — pertaining to or consisting of sugar and meal.
- sacrifice operative — a euphemistic term for a suicide bomber
- san francisco peaks — a mountain mass in N Arizona: highest point in the state, Humphrey's Peak, 12,611 feet (3845 meters).
- scare the pants off — to scare extremely
- secondary infection — an infection resulting from another infection
- self-congratulating — the expression or feeling of uncritical satisfaction with oneself or one's own accomplishment, good fortune, etc.; complacency.
- self-congratulation — the expression or feeling of uncritical satisfaction with oneself or one's own accomplishment, good fortune, etc.; complacency.
- self-congratulatory — the expression or feeling of uncritical satisfaction with oneself or one's own accomplishment, good fortune, etc.; complacency.
- self-discrimination — an act or instance of discriminating, or of making a distinction.
- sharp-focus realism — photorealism.
- siberian forest cat — a breed of powerfully-built long-haired cat, typically tabby with a white ruff and white paws
- specular reflection — Specular reflection is reflection of heat or light in which the angles of different parts of the surface are important.
- take care of sth/sb — If you take care of someone or something, you look after them and prevent them from being harmed or damaged.
- take one's cue from — If you take your cue from someone or something, you do something similar in a particular situation.
- the patriotic front — a political party in Zimbabwe, founded in 2001 as a coalition of two communist parties, the Zimbabwe African Peoples Union (ZAPU) and the Zimbabwe African National Union (ZANU), which had worked together to fight against White minority rule in Rhodesia
- traffic regulations — rules designed to expedite the flow of traffic and prevent collisions
- transesterification — a reaction between an ester of one alcohol and a second alcohol to form an ester of the second alcohol and an alcohol from the original ester, as that of methyl acetate and ethyl alcohol to form ethyl acetate and methyl alcohol; interesterification.
- tricks of the trade — expert techniques
- upper carboniferous — Pennsylvanian (defs 2, 4).
- 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.
- war of independence — American Revolution.