19-letter words containing a, f, d, c
- pride-of-california — a shrubby plant, Lathyrus splendens, of the legume family, native to southern California, having showy clusters of pale rose-pink, violet, or magenta flowers and large, smooth, beaked pods.
- production platform — offshore power station
- professional advice — advice given by someone trained in a particular and relevant profession or job
- 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.
- republic of ireland — John, 1838–1918, U.S. Roman Catholic clergyman and social reformer, born in Ireland: archbishop of St. Paul, Minn., 1888–1918.
- school of the squad — an institution where instruction is given, especially to persons under college age: The children are at school.
- secondary infection — an infection resulting from another infection
- self identification — identification of oneself with some other person or thing.
- self-discrimination — an act or instance of discriminating, or of making a distinction.
- self-identification — identification of oneself with some other person or thing.
- sound effects woman — a woman who produces sounds artificially or reproduces them from a recording, etc, to create a theatrical effect, such as the bringing together of two halves of a hollow coconut shell to simulate a horse's gallop. Such sound effects are used in plays, films, etc
- south african dutch — the Boers.
- supercritical fluid — A supercritical fluid is a fluid at a temperature and pressure at which there is no difference between liquid and gas.
- switchblade (knife) — a large jackknife that snaps open when a release button on the handle is pressed
- the disenfranchised — people who are deprived of the right to vote or other rights of citizenship
- thomas of woodstock — Duke of Gloucester, 1355–97, English prince (son of Edward III).
- tricks of the trade — expert techniques
- unclassified degree — a degree that has not been given a grade because it is of a low standard
- war of independence — American Revolution.