12-letter words containing k, a, o
- jacket crown — a type of artificial, tooth-colored dental crown made of acrylic or porcelain
- jackson hole — a valley in NW Wyoming, near the Teton Range: wildlife preserve.
- jacksonville — a seaport in NE Florida, on the St. John's River.
- james k polk — James Knox, 1795–1849, the 11th president of the U.S. 1845–49.
- jickajogging — the act of moving in a jogging or rolling motion
- jodrell bank — site of a radio astronomy observatory (Nuffield Radio Astronomy Laboratories) in NE Cheshire, England, that operates a 250-foot (76-meter) radio telescope.
- joe six-pack — Slang. the average or typical blue-collar man.
- john hancock — Herbert Jeffrey ("Herbie") born 1940, U.S. jazz pianist and composer.
- joking apart — seriously: said to recall a discussion to seriousness after there has been joking
- k/t boundary — Cretaceous/Tertiary boundary: the time zone comprising the end of the Cretaceous and the beginning of the Tertiary periods
- kachina doll — a Hopi Indian doll carved from cottonwood root in representation of a kachina and given as a gift to a child or used as a household decoration.
- kakistocracy — government by the worst persons; a form of government in which the worst persons are in power.
- kaleidophone — an instrument, invented by Professor Charles Wheatstone (1802-1875), consisting of a light on a vibrating rod with a reflecting knob for exhibiting the effect of sound waves
- kaleidoscope — an optical instrument in which bits of glass, held loosely at the end of a rotating tube, are shown in continually changing symmetrical forms by reflection in two or more mirrors set at angles to each other.
- kalmar sound — a strait between SE Sweden and Öland Island. 85 miles (137 km) long; 14 miles (23 km) wide.
- kangaroo dog — an Australian breed of large rough-haired dog that resembles a greyhound and is bred to hunt kangaroos
- kangaroo paw — any plant of the Australian genus Anigozanthos, resembling a kangaroo's paw, esp the red-and-green flowered A. manglesii, which is the floral emblem of Western Australia: family Haemodoraceae
- kangaroo rat — any of various small jumping rodents of the family Heteromyidae, of Mexico and the western U.S.
- karlovy vary — a city in W Czech Republic: mineral springs; Carlsbad Decrees (1819).
- karyokinesis — mitosis.
- karyokinetic — Of or pertaining to karyokinesis.
- karyomapping — a technique for determining whether an embryo has inherited a genetic defect by analysing DNA taken from it and its close relatives
- kashmir goat — one of a long-haired breed of goat raised in Tibet and the higher elevations of China, the Indian subcontinent, Afghanistan, and Turkey for its meat, milk, and cashmere wool.
- katamorphism — metamorphism at or near the earth's surface: breaks down complex minerals into simpler ones.
- katharevousa — The purist form of modern Greek used in traditional literary writing, as opposed to the form that is spoken and used in everyday writing (called demotic).
- katharometer — (science) A device used for analyzing gas mixtures by measuring their thermal conductivity.
- keep company — a number of individuals assembled or associated together; group of people.
- keep tabs on — a small flap, strap, loop, or similar appendage, as on a garment, used for pulling, hanging, or decoration.
- keratinocyte — An epidermal cell that produces keratin.
- keratogenous — producing horn or a horny substance.
- keratohyalin — (biology) A protein structure found in granules in the stratum granulosum of the epidermis, which may be involved in keratinization, and in Hassall corpuscles in the thymus.
- keratoplasty — plastic surgery performed upon the cornea, especially a corneal transplantation.
- keratotomies — Plural form of keratotomy.
- keraunograph — an instrument for recording thunderstorms by detecting the radio waves generated
- ketoacidosis — (pathology) A severe form of ketosis, most commonly seen in diabetics, in which so much ketone is produced that acidosis occurs.
- ketoaciduria — (pathology) The presence of (excess) ketoacids in the urine.
- ketoconazole — a synthetic substance, C 26 H 28 Cl 2 N 4 O 4 , used to treat a variety of fungal infections.
- keyboardists — Plural form of keyboardist.
- kigoma-ujiji — a city composed of two merged towns in W Tanzania, on Lake Tanganyika: Stanley found Livingstone in Ujiji 1871.
- kilocalories — Plural form of kilocalorie.
- kinesophobia — Fear of movement.
- kinetography — a camera for taking pictures for a kinetoscope.
- kinetoplasts — Plural form of kinetoplast.
- king-of-arms — a title of certain of the principal heralds of England and certain other kingdoms empowered by their sovereigns to grant armorial bearings.
- kingdom hall — a meeting place of Jehovah's Witnesses for religious services.
- kitchen soap — heavy-duty soap intended for use in the kitchen
- kite balloon — a barrage balloon intended for use in information-gathering and observation; it is usually tethered to the ground and has lobes to keep it stable and pointing into the wind
- kiteboarding — A sport in which participants ride a form of wakeboard or surfboard harnessed to a large kite which is controlled by the rider.
- kittikachorn — Thanom [thah-nom] /θɑˈnɒm/ (Show IPA), 1911–2004, Thai army officer and statesman: premier 1963–73.
- kleptocratic — a government or state in which those in power exploit national resources and steal; rule by a thief or thieves.