20-letter words containing a, r, c, k, i
- multistorey car park — a car park consisting of several levels
- nickel tetracarbonyl — nickel carbonyl.
- nikkei stock average — an index of prices on the Tokyo Stock Exchange
- optical mark reading — the reading of marks by an optical device whereby the information can be stored in machine-readable form
- packed like sardines — If you say that a crowd of people are packed like sardines, you are emphasizing that they are sitting or standing so close together that they cannot move easily.
- pick someone's brain — to obtain information or ideas from someone
- pickwickian syndrome — an abnormality characterized by extreme obesity accompanied by sleepiness, hypoventilation, and polycythemia.
- rankine-cycle engine — a type of steam engine involving a continuous cycle of vaporization of liquid and condensation back to liquid in a sealed system: developed experimentally for use in automobiles to reduce polluting emissions, utilize cheaper fuels, etc.
- red-winged blackbird — a North American blackbird, Agelaius phoeniceus, the male of which is black with scarlet patches, usually bordered with buff or yellow, on the bend of the wing.
- ring-necked parakeet — a small brightly coloured long-tailed tropical parrot, Psittacula krameri, often kept as a pet
- ring-necked pheasant — a gallinaceous Asian bird, Phasianus colchicus, having a white band around its neck, introduced into Great Britain, North America, and the Hawaiian Islands.
- rocky mountain basic — (language) The BASIC language used by Hewlett Packard on their 680x0-based computers. Rocky Mountain Basic is good for interfaces to IEEE 488 controls and contains many mathematical and matrix functions. It has about 600 commands. Typical applications include automatic test stations.
- rocky mountain sheep — bighorn.
- season ticket holder — a person who has a season ticket
- short back and sides — If a man has a short back and sides, his hair is cut very short at the back and sides with slightly thicker, longer hair on the top of the head.
- synchronized skating — the art or sport of teams of up to twenty skaters holding onto each other and moving in patterns in time to music
- to stick in the craw — to be unacceptable or displeasing to someone
- tom, dick, and harry — the ordinary person; people generally; everyone: They invited every Tom, Dick, and Harry to the party.
- tom, dick, and jerry — a hot mixed drink containing rum, brandy, egg, nutmeg, and sometimes milk
- track-laying vehicle — A track-laying vehicle is a vehicle whose wheels run inside a continuous chain or track.
- track-train dynamics — the interaction between the track and a moving train.
- travel-sickness pill — a pill which is used to relieve the symptoms of travel or motion sickness, the condition of being nauseated from riding in a moving vehicle
- upper income bracket — a grouping of the highest earning tax payers
- worker participation — a process by which subordinate employees, either individually or collectively, become involved in one or more aspects of organizational decision making within the enterprises in which they work
- working-capital fund — a fund established to finance operating activities in an industrial enterprise.