13-letter words containing k, r, o, n
- hydroxyketone — a ketone containing a hydroxyl group.
- invoice clerk — a worker, esp in an office, who deals with invoices
- jack robinson — Bill ("Bojangles") 1878–1949, U.S. tap dancer.
- joyner-kersee — Jacqueline ("Jackie") born 1962, U.S. track and field athlete.
- kangaroo care — a method of caring for a premature baby in which the baby is periodically held against a parent's bare chest.
- kangaroo code — spaghetti code
- kangaroo vine — an Australian vine, Cissus antarctica, of the grape family, having shiny, leathery leaves.
- karaoke night — a social occasion when karaoke sessions are held for entertainment, often in a pub or bar
- kennebunkport — a town in SW Maine: summer resort.
- kenneth arrow — Kenneth Joseph, born 1921, U.S. economist: Nobel Prize 1972.
- 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.
- kernel parlog — (language) A modeless intermediate language for Parlog compilation.
- kerosene lamp — light fuelled by paraffin
- 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.
- kinematograph — cinematograph.
- 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
- knickerbocker — a descendant of the Dutch settlers of New York.
- know by heart — have memorized
- kolding fjord — an inlet of the Little Belt at the head of which is Kolding
- 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.)
- krishna menon — Vengalil Krishnan [ven-gah-leel krish-nuh n] /vɛnˈgɑ lil ˈkrɪʃ nən/ (Show IPA), 1897–1974, Indian politician and statesman.
- 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 sturgeon — a sturgeon, Acipenser fulvescens, of the Great Lakes and Mississippi and St. Lawrence rivers.
- 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.
- 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
- london rocket — the plant Sisymbrium irio
- 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.
- lower chinook — an extinct Chinookan language that was spoken by tribes on both banks of the Columbia River estuary.
- lubber's knot — an improperly made reef or square knot, likely to slip loose.
- macroplankton — planktonic organisms of about 1 mm in length.
- mallemaroking — (historical, nautical) Carousing on icebound Greenland whaling ships.
- mangrove jack — a predatory food and game fish, Lutjanus argentimaculatus, of Australian rivers and tidal creeks dominated by mangroves
- manual worker — a person whose job involves working with the hands
- marketisation — Alternative spelling of marketization.
- marketization — The exposure of an industry or service to market forces.
- microcracking — microscopic cracking
- microplankton — plankton visible as individual organisms only with the aid of a microscope, which excludes most animal plankton.
- monkey around — any mammal of the order Primates, including the guenons, macaques, langurs, and capuchins, but excluding humans, the anthropoid apes, and, usually, the tarsier and prosimians. Compare New World monkey, Old World monkey.
- monkey bridge — flying bridge.
- monkey flower — any of various plants belonging to the genus Mimulus, of the figwort family, as M. cardinalis (scarlet monkey flower) having spotted flowers that resemble a face.
- monkey orchid — a European orchid, Orchis simia, rare in Britain, having a short dense flower spike that opens from the top downwards. The flowers are white streaked with pink or violet and have five spurs thought to resemble a monkey's arms, legs, and tail
- monkey tricks — mischievous behaviour or acts, such as practical jokes
- monkey wrench — spanner
- monkey-wrench — to ruin (plans, a schedule, etc.) unavoidably or, sometimes, deliberately: The storm monkey-wrenched our plans for a picnic.
- monster truck — a pick-up truck with extremely large tyres, often used for racing over rough terrain
- monterey jack — a mild, light-yellow, semisoft cheese