12-letter words containing a, o, r, i, s
- kakistocracy — government by the worst persons; a form of government in which the worst persons are in power.
- karyokinesis — mitosis.
- 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.
- keratotomies — Plural form of keratotomy.
- keyboardists — Plural form of keyboardist.
- kilocalories — Plural form of kilocalorie.
- 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.
- korea strait — a strait between Korea and Japan, connecting the Sea of Japan and the East China Sea. 120 miles (195 km) long.
- korsakoffian — relating to or suffering from Korsakoff's psychosis
- labor-saving — A labor-saving device or idea makes it possible for you to do something with less effort than usual.
- laboratories — a building, part of a building, or other place equipped to conduct scientific experiments, tests, investigations, etc., or to manufacture chemicals, medicines, or the like.
- labour pains — the pains felt during the contractions of childbirth
- labouriously — Alternative form of laboriously.
- laboursaving — reducing (human) effort, hard work, or labour
- lachrymosity — suggestive of or tending to cause tears; mournful.
- ladies' room — a public lavatory for women.
- laparoscopic — a flexible fiberoptic instrument, passed through a small incision in the abdominal wall and equipped with biopsy forceps, an obturator, scissors or the like, with which to examine the abdominal cavity or perform minor surgery.
- laparotomies — Plural form of laparotomy.
- laticiferous — bearing or containing latex.
- lectionaries — Plural form of lectionary.
- legionnaires — Plural form of legionnaire.
- leprosariums — Plural form of leprosarium.
- lion's share — the largest part or share, especially a disproportionate portion: The eldest son received the lion's share of the estate.
- liposarcomas — Plural form of liposarcoma.
- litholatrous — of or relating to the worship of stones
- loansharking — the practice of lending money at excessive rates of interest.
- lobster tail — the flesh of the tail of any of various crustaceans, esp. the Cape crawfish, prepared as food, often by broiling in the shell
- loganberries — Plural form of loganberry.
- longirostral — (of birds) having a long beak
- loriciferans — Plural form of loriciferan.
- lubrications — Plural form of lubrication.
- lucubrations — Plural form of lucubration.
- lug foresail — a gaff foresail having no boom or sometimes a partial boom.
- macassar oil — an oil derived from materials said to be obtained from Macassar, formerly used as a hairdressing.
- macro-cosmic — the great world or universe; the universe considered as a whole (opposed to microcosm).
- macrobiotics — a philosophically oriented program incorporating elements from several ancient cultures and emphasizing harmony with nature, especially through adherence to a diet consisting primarily of whole grains, beans, vegetables, and moderate amounts of seafood and fruit.
- macrocytosis — The presence of macrocytes in the blood.
- macrofossils — Plural form of macrofossil.
- macroglossia — Enlargement or hypertrophy of the tongue.
- macrophysics — the branch of physics that deals with physical objects large enough to be observed and treated directly.
- madreporites — Plural form of madreporite.
- magnitogorsk — a city in the W Russian Federation in Asia, on the Ural River, near the boundary between Europe and Asia.
- makarios iii — (Michael Christodoulos Mouskos) 1913–77, Cypriot statesman and Greek Orthodox prelate: archbishop and patriarch of Cyprus 1950–77; president 1960–77 (in exile 1974).
- make history — do sth of great significance
- make inroads — If one thing makes inroads into another, the first thing starts affecting or destroying the second.
- malapropisms — Plural form of malapropism.
- malnourished — poorly or improperly nourished; suffering from malnutrition: thin, malnourished victims of the famine.
- malversation — improper or corrupt behavior in office, especially in public office.
- manipulators — Plural form of manipulator.