13-letter words containing a, s, k
- cat's whisker — a pointed wire used to make contact with the crystal in a crystal radio receiver
- caudine forks — a narrow pass in the Apennines, in S Italy, between Capua and Benevento: scene of the defeat of the Romans by the Samnites (321 bc)
- chandrasekhar — Subrahmanyan (ˌsʊbrəˈmænjən). 1910–95, US astronomer born in Lahore, India (now Pakistan). His work on stellar evolution led to an understanding of white dwarfs: shared the Nobel prize for physics 1983
- chapman stick — an electronically amplified musical instrument with ten or twelve strings and a fretted neck, which is played by striking the strings against the frets with the fingers
- chicago steak — a strip steak or, sometimes, a shell steak.
- chicken snake — rat snake
- chilkoot pass — a mountain pass in North America between SE Alaska and NW British Columbia, over the Coast Range
- chimney stack — A chimney stack is the brick or stone part of a chimney that is above the roof of a building.
- chopped steak — ground, cooked beef, usually served as a main course.
- christianlike — like or befitting a Christian.
- citrus canker — a disease of citrus trees caused by the bacterium Xanthomonas citri, characterized by spongy eruptions on leaves and fruit.
- clothesbasket — a basket for holding and carrying laundry.
- coaster brake — a brake on a bicycle that engages when the pedals are turned in reverse
- constablewick — the area of land under the charge of a constable
- cooper's hawk — a small North American hawk, Accipiter cooperii, having a bluish-grey back and wings and a reddish-brown breast
- crack a smile — to break into a smile
- cracker state — a nickname for Georgia
- craftsmanlike — Resembling or characteristic of a craftsman.
- crayola books — (publication) A humorous and/or disparaging term for the rainbow series of National Computer Security Center (NCSC) computer security standards. See also Orange Book.
- crestone peak — a peak in S central Colorado, in the Sangre de Cristo Mountains. 14,294 feet (4360 meters).
- crookes space — a dark region near the cathode in some low-pressure gas-discharge tubes
- cuckoo wrasse — a fish, Labrus mixtus
- cyberslacking — (informal) Use of the Internet during work hours for unrelated tasks.
- cyberstalkers — Plural form of cyberstalker.
- cyberstalking — Cyberstalking is the use of the Internet to contact someone or find out information about them in a way that is annoying or frightening.
- dame's rocket — a Eurasian plant, Hesperis matronalis, of the mustard family, having loose clusters of four-petalled purple or white fragrant flowers.
- dasht-e-kavir — large salt-desert plateau in NC Iran: c. 18,000 sq mi (46,620 sq km)
- dasht-i-kavir — a salt waste on the central plateau of Iran: a treacherous marsh beneath a salt crust
- decisionmaker — One who makes decisions.
- denmark vesey — Denmark, 1767–1822, black freedman, born probably on St. Thomas, Danish West Indies: hanged as alleged leader of a slave insurrection, in Charleston, S.C.
- desk calendar — a loose-leaf calendar containing one or two pages for each day, with spaces for notes.
- deutsche mark — the former basic monetary unit of Germany, superseded in 2002 by the euro
- dewar (flask) — a double-walled flask with a vacuum between the walls, which are silvered on the inside, used esp. for storage of liquefied gases
- diamond snake — a python, Morelia argus, of Australia and New Guinea, with yellow diamond-shaped markings
- dick size war — penis war
- disembarkment — to go ashore from a ship.
- disk capacity — the maximum number of bytes that can be held on a disk
- domesday book — a record of a survey of the lands of England made by order of William the Conqueror about 1086, giving ownership, extent, value, etc., of the properties.
- donkey's tail — a succulent Mexican plant, Sedum morganianum, of the stonecrop family, bearing small, rose-colored flowers and long, hanging, nearly cylindrical stems with closely packed whitish-green leaves.
- doomsday book — Domesday Book.
- doublespeaker — a person who uses doublespeak
- drake passage — a strait between S South America and the South Shetland Islands, connecting the Atlantic and Pacific oceans.
- dressing sack — a woman's dressing gown.
- drinkableness — the quality of being drinkable, the capacity to be drunk, drinkability
- east kilbride — an administrative district in the Strathclyde region, in S Scotland. 1300 sq. mi. (3367 sq. km).
- east pakistan — former name of Bangladesh.
- east rockaway — a town in SE New York.
- farkleberries — Plural form of farkleberry.
- fast-breaking — (of a news story) occurring suddenly, and often portending a series of events or further developments in rapid succession.
- fast-tracking — the practice of speeding up the progress of a project or person