18-letter words containing r, h, a, m, n, c
- rhyming dictionary — a specialist dictionary organized by the final sounds of words, used to write poetry
- richard p. feynman — (person, computing, architecture) /fayn'mn/ 1918-1988. A US physicist, computer scientist and author who graduated from Massachusetts Institute of Technology and Princeton. Feynmane was a key figure in helping Oppenheimer and team develop atomic bomb. In 1950 he became a professor at Caltech and in 1965 became Nobel Prize Laureate in Physics for QED (quantum electrodynamics). He was a primary figure in "solving" the Challenger disaster O-ring problem. He "rediscovered" the former Soviet Socialist Republic of Tuva. The 2001 film "Infinity" about Feynman's early life featured Matthew Broderick and Patricia Arquette. In 2001, "QED", a play about Feynman's life featuring Alan Alda opened.
- roman architecture — buildings in style of ancient Rome
- schengen agreement — an agreement, signed in 1985 at a meeting of European leaders near Schengen, Luxembourg, but not implemented until 1995, to gradually abolish border controls within Europe; it was supplemented in 1990 by the Schengen Convention; in 1999 the agreement was incorporated into European Union law. Twenty-six countries acceded by 2015; the UK is not a signatory
- southern cameroons — German Kamerun. a region in W Africa: a German protectorate 1884–1919; divided in 1919 into British and French mandates.
- submarine sandwich — a sandwich made with a long cylindrical bread roll
- survival mechanism — something you or your body does automatically, in order to survive in a dangerous or unpleasant situation
- sympathetic string — a thin wire string, as in various obsolete musical instruments, designed to vibrate sympathetically with the bowed or plucked strings to reinforce the sound.
- symphony orchestra — a large orchestra composed of wind, string, and percussion instruments and organized to perform symphonic compositions.
- tetrachloromethane — carbon tetrachloride.
- the american dream — the notion that the American social, economic, and political system makes success possible for every individual
- the hunger marches — a number of processions by unemployed workers in the 1930s to protest against unemployment and deprivation
- thermal efficiency — the ratio of the work output of a heat engine to the heat input expressed in the same units of energy.
- thermonuclear bomb — hydrogen bomb.
- world championship — an international competition in a particular sport or activity for people all around the world
- writ of attachment — a document by which a court orders the seizing of property in order to ensure satisfaction of a judgement