13-letter words containing i, r, k, s
- hunger strike — refusal to eat as a protest
- hunger-strike — to go on a hunger strike.
- hunter's pink — a brilliant red often used for the jackets of hunters.
- hydrokinetics — the branch of hydrodynamics that deals with the laws governing liquids or gases in motion.
- irish whiskey — any whiskey made in Ireland, characteristically a product of barley.
- jack robinson — Bill ("Bojangles") 1878–1949, U.S. tap dancer.
- jesuit's bark — cinchona (def 2).
- kapellmeister — a choirmaster.
- kentish glory — a moth, Endromis versicolora, common in north and central Europe, having brown variegated front wings and, in the male, orange hindwings
- keratinocytes — Plural form of keratinocyte.
- keratomycosis — Fungal infection of the cornea.
- key signature — (in notation) the group of sharps or flats placed after the clef to indicate the tonality of the music following.
- kick upstairs — to strike with the foot or feet: to kick the ball; to kick someone in the shins.
- kidderminster — an ingrain carpet 36 inches (91 cm) wide.
- killing frost — the occurrence of temperatures cold enough to kill all but the hardiest vegetation, especially the last such occurrence in spring and the first in fall, events that limit the agricultural growing season.
- killing spree — a series of murders that are committed
- kindergartens — Plural form of kindergarten.
- kinesitherapy — a movement-based therapy
- king's ransom — an extremely large amount of money: The painting was sold for a king's ransom.
- kinross-shire — a former county of E central Scotland: became part of Tayside region in 1975 and part of Perth and Kinross in 1996
- klipspringers — Plural form of klipspringer.
- kosher pickle — a garlic-flavored pickle, sold especially in Jewish delicatessens.
- krishna menon — Vengalil Krishnan [ven-gah-leel krish-nuh n] /vɛnˈgɑ lil ˈkrɪʃ nən/ (Show IPA), 1897–1974, Indian politician and statesman.
- kriss kringle — Santa Claus.
- 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)
- kyrie eleison — (italics) the brief petition “Lord, have mercy,” used in various offices of the Greek Orthodox Church and of the Roman Catholic Church.
- lake district — a mountainous region in NW England containing many lakes: tourist center.
- 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-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.
- lane markings — white lines on the road that mark lanes
- lasik surgery — laser surgery to correct short sight
- leptokurtosis — the state of being leptokurtic.
- 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
- lickerishness — Quality of being lickerish.
- like a streak — at high speed; swiftly
- like sardines — very closely crowded together
- lipstick tree — annatto (def 1).
- loan-sharking — the practice of lending money at exorbitant or illegal interest rates
- losing streak — a succession of losses or defeats
- love-stricken — If you describe someone as love-stricken, you mean that they are so much in love that they are behaving in a strange and foolish way.
- manage a risk — If you manage a risk, you analyze how much you are in danger from a particular risk or hazard, and decide how to best deal with it.
- manrikigusari — a Japanese chain weapon with weighted ends, intended to strike or ensnare the enemy
- marketisation — Alternative spelling of marketization.
- marlinespikes — Plural form of marlinespike.
- masking frame — easel (def 2).
- meths drinker — a person who drinks methylated spirits
- microdiskette — Alternative spelling of micro-diskette.
- milk mushroom — any of the common latex-containing mushrooms of the genus Lactarius.
- milk products — dairy produce, items made with milk