12-letter words containing a, l, s, k
- jataka tales — a body of literature comprising accounts of previous lives of the Buddha
- 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.
- kelvin scale — William Thomson, 1st Baron, 1824–1907, English physicist and mathematician.
- kepler's law — any one of three laws governing planetary motion: each planet revolves in an ellipse, with the sun at one focus; the line connecting a planet to the sun sweeps out equal areas in equal periods of time (law of areas) or the square of the period of revolution of each planet is proportional to the cube of the semimajor axis of the planet's orbit (harmonic law)
- keratoplasty — plastic surgery performed upon the cornea, especially a corneal transplantation.
- kilocalories — Plural form of kilocalorie.
- kinetoplasts — Plural form of kinetoplast.
- kitchen salt — coarse salt that is used in cooking but not at the table
- knee-slapper — a joke evoking boisterous hilarity.
- knowableness — the quality of being knowable
- knuckleballs — Plural form of knuckleball.
- knuckleheads — Plural form of knucklehead.
- lady's-smock — a N temperate plant, Cardamine pratensis, with white or rose-pink flowers: family Brassicaceae (crucifers)
- ladylikeness — Ladylike behaviour.
- lake charles — a city in SW Louisiana.
- lake jackson — a town in S Texas.
- lake station — a town in NW Indiana.
- lake success — a town on Long Island, in SE New York: temporary United Nations headquarters 1946–51.
- lake torrens — a shallow salt lake in E central South Australia, about 8 m (25 ft) below sea level. Area: 5776 sq km (2230 sq miles)
- lansker line — (in Pembrokeshire) the linguistic and ethnic division between the Welsh-speaking north and the English-speaking south
- lark sparrow — a North American sparrow, Chondestes grammacus, having a distinctive brown-and-white facial pattern.
- lawbreakings — Plural form of lawbreaking.
- leatherbacks — Plural form of leatherback.
- leathernecks — Plural form of leatherneck.
- likeableness — Likeability.
- linen basket — a basket or container with a lid in which you put your dirty clothes before washing them
- linseed cake — a cake or a mass made by expressing the oil from linseed, used chiefly as feed for cattle.
- lip-smacking — tasty, mouth-watering
- loansharking — the practice of lending money at excessive rates of interest.
- look askance — glance sidelong or with suspicion
- look daggers — to turn one's eyes toward something or in some direction in order to see: He looked toward the western horizon and saw the returning planes.
- loudspeakers — Plural form of loudspeaker, especially a pair for a left and right channel.
- lukewarmness — The property of being lukewarm; ambivalence, weakness.
- mackerel sky — an extensive group of cirrocumulus or altocumulus clouds, especially when well-marked in their arrangement: so called because of a resemblance to the scales on a mackerel.
- malt whiskey — Malt whiskey or malt is whiskey that is made from malt.
- marketplaces — Plural form of marketplace.
- marlinespike — a pointed iron implement used in separating the strands of rope in splicing, marling, etc.
- marlingspike — Alternative spelling of marlinspike.
- melrose park — a city in NE Illinois, near Chicago.
- mesoplankton — plankton that live at middle depths.
- metalworkers — Plural form of metalworker.
- milk parsley — a wetland plant belonging to the family Apiaceae
- multitaskers — Plural form of multitasker.
- multitasking — Computers. (of a single CPU) to execute two or more jobs concurrently.
- nikola tesla — Nikola [nik-oh-luh] /ˈnɪk oʊ lə/ (Show IPA), 1856–1943, U.S. physicist, electrical engineer, and inventor, born in Croatia.
- optical disk — Also, optical disc. Also called laser disk. a grooveless disk on which digital data, as text, music, or pictures, is stored as tiny pits in the surface and is read or replayed by a laser beam scanning the surface.
- pack of lies — false account
- packing slip — A packing slip is a list of what is included in a shipment.
- pale-skinned — having pale skin