13-letter words containing r, a, k
- kilowatt-hour — a unit of energy, equivalent to the energy transferred or expended in one hour by one kilowatt of power; approximately 1.34 horsepower-hours. Abbreviation: kWh, K.W.H., kwhr.
- kindergartens — Plural form of kindergarten.
- kindergartner — a child who attends a kindergarten.
- kindheartedly — In a kindhearted manner.
- kinematograph — cinematograph.
- kinesitherapy — a movement-based therapy
- king mackerel — a game fish, Scomberomorus cavalla, found in the western Atlantic Ocean.
- king's ransom — an extremely large amount of money: The painting was sold for a king's ransom.
- kirkland lake — a town in E Ontario, in S Canada: gold-mining center.
- kitchen paper — also kitchen roll
- kitchen range — cooker with oven and hob
- knickknackery — Various trinkets or novelties; bric-a-brac.
- knight errant — a wandering knight; a knight who traveled widely in search of adventures, to exhibit military skill, to engage in chivalric deeds, etc.
- knight-errant — a wandering knight; a knight who traveled widely in search of adventures, to exhibit military skill, to engage in chivalric deeds, etc.
- know by heart — have memorized
- knuckleballer — a pitcher who specializes in throwing knuckle balls.
- komodo dragon — the largest monitor lizard, Varanus komodoensis, of Komodo and other East Indian islands: grows to a length of 3 m (about 10 ft) and a weight of 135 kilograms (about 300 lbs.)
- korf, richard — Richard Korf
- kraft process — a process for making wood pulp by digesting wood chips in an alkaline liquor consisting chiefly of caustic soda together with sodium sulfate.
- krishna menon — Vengalil Krishnan [ven-gah-leel krish-nuh n] /vɛnˈgɑ lil ˈkrɪʃ nən/ (Show IPA), 1897–1974, Indian politician and statesman.
- kristallnacht — a Nazi pogrom throughout Germany and Austria on the night of November 9–10, 1938, during which Jews were killed and their property destroyed.
- kuril islands — a chain of 56 volcanic islands off the NE coast of Asia, extending for 1200 km (750 miles) from the S tip of the Kamchatka Peninsula to NE Hokkaido. Area: 14 990 sq km (6020 sq miles)
- kwame nkrumah — Kwame [kwah-mee] /ˈkwɑ mi/ (Show IPA), 1909–72, president of Ghana 1960–66.
- labour market — When you talk about the labour market, you are referring to all the people who are able to work and want jobs in a country or area, in relation to the number of jobs there are available in that country or area.
- labrador duck — an extinct sea duck, Camptorhynchus labradorius, of northern North America, having black and white plumage.
- lake district — a mountainous region in NW England containing many lakes: tourist center.
- lake maggiore — a lake in N Italy and S Switzerland, in the S Lepontine Alps
- lake sturgeon — a sturgeon, Acipenser fulvescens, of the Great Lakes and Mississippi and St. Lawrence rivers.
- lake superior — Lake, a lake in the N central United States and S Canada: the northernmost of the Great Lakes; the largest body of fresh water in the world. 350 miles (564 km) long; 31,820 sq. mi. (82,415 sq. km); greatest depth, 1290 feet (393 meters); 602 feet (183 meters) above sea level.
- lake victoria — the ancient Roman goddess of victory, identified with the Greek goddess Nike.
- lake-superior — Lake, a lake in the N central United States and S Canada: the northernmost of the Great Lakes; the largest body of fresh water in the world. 350 miles (564 km) long; 31,820 sq. mi. (82,415 sq. km); greatest depth, 1290 feet (393 meters); 602 feet (183 meters) above sea level.
- lake-urumiyeh — Lake. Urmia, Lake.
- landing clerk — a representative of a shipping line who boards its incoming passenger ships to give passengers information and advice.
- lane markings — white lines on the road that mark lanes
- lantern clock — an English bracket clock of the late 16th and 17th centuries, having a brass case with corner columns supporting pierced crestings on the sides and front.
- lasik surgery — laser surgery to correct short sight
- leatherjacket — Also called leather jack. any of several carangid fishes having narrow, linear scales embedded in the skin at various angles, especially Oligoplites saurus, found in tropical American waters.
- leopard shark — a small, inshore shark, Triakis semifasciata, having distinctive black markings across the back, inhabiting Pacific coastal waters from Oregon through California.
- leukapheresis — a medical procedure that separates certain leukocytes from the blood, used to collect leukocytes for donation or to remove excessive leukocytes from a patient's blood
- like a streak — at high speed; swiftly
- like sardines — very closely crowded together
- linkage group — a group of genes in a chromosome that tends to be inherited as a unit.
- loan-sharking — the practice of lending money at exorbitant or illegal interest rates
- look ahead lr — Look Ahead Left-to-right parse, Rightmost-derivation
- lose track of — to fail to follow the passage, course, or progress of
- losing streak — a succession of losses or defeats
- lumber jacket — a short, straight, wool plaid jacket or coat, for informal wear, usually belted and having patch pockets.
- lumberjackets — Plural form of lumberjacket.
- mackerel gull — tern1 .
- macroplankton — planktonic organisms of about 1 mm in length.