13-letter words containing a, p, u, r
- japan current — a warm ocean current flowing northeastwards off the E coast of Japan towards the North Pacific
- jodhpuri coat — a coat worn by men in India, similar to but shorter than a sherwani
- jumper cables — jump leads for starting a vehicle
- junggar pendi — an arid region of W China, in N Xinjiang between the Altai Mountains and the Tian Shan
- kick upstairs — to strike with the foot or feet: to kick the ball; to kick someone in the shins.
- labour supply — the total number of hours that workers are willing and able to be paid wages to work for
- 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.
- lap of honour — If the winner of a race or game does a lap of honour, they run or drive slowly around a race track or sports field in order to receive the applause of the crowd.
- lauroyl group — the monovalent organic group C 12 H 23 O–, derived from lauric acid.
- leprechaunish — somewhat similar to a leprechaun
- 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
- linkage group — a group of genes in a chromosome that tends to be inherited as a unit.
- louis pasteur — Louis [loo-ee;; French lwee] /ˈlu i;; French lwi/ (Show IPA), 1822–95, French chemist and bacteriologist.
- luang prabang — Louangphrabang.
- lumbar plexus — a network of nerves originating in the spinal nerves of the midback region and innervating the pelvic area, the front of the legs, and part of the feet.
- lump of sugar — lump1 (def 4).
- lunar eclipse — Astronomy. the obscuration of the light of the moon by the intervention of the earth between it and the sun (lunar eclipse) or the obscuration of the light of the sun by the intervention of the moon between it and a point on the earth (solar eclipse) a similar phenomenon with respect to any other planet and either its satellite or the sun. the partial or complete interception of the light of one component of a binary star by the other.
- lycanthropous — Lycanthropic.
- macrocephalus — Alternative spelling of macrocephalous.
- maculopapular — (medicine, of a rash) Consisting of a flat, red area on the skin that is covered with small confluent bumps, as in scarlet fever and measles.
- mahabalipuram — a village in NE Tamil Nadu, in SE India: Hindu temples; early Dravidian architecture.
- malonyl group — the bivalent group C 3 H 2 O 2 , derived from malonic acid.
- mass spectrum — a spectrum of charged particles, arranged in order of mass or mass-to-charge ratios.
- measure up to — to fulfil (expectations, standards, etc)
- measuring cup — a graduated cup used especially in cooking for measuring ingredients.
- meat products — foods that consist of or contain meat
- merleau-ponty — Maurice, 1908–61, French phenomenological philosopher.
- microcapsules — Plural form of microcapsule.
- microcephalus — An abnormally small head.
- military coup — a coup organized and carried out by members of the armed forces
- mispersuasion — a false or mistaken persuasion
- modula-prolog — Adds a Prolog layer to Modula-2. "Modula-Prolog: A Software Development Tool", C. Muller IEEE Software pp.39-45 (Nov 1986).
- moose pasture — land considered to be worthless, esp when lacking in extractable mineral deposits
- moral support — emotional assistance, encouragement
- mount palomar — Mount, a mountain in S California, NE of San Diego: site of observatory. 6126 feet (1867 meters) high.
- mousetrapping — Present participle of mousetrap.
- multiparticle — comprising or involving several particles
- multipartisan — Relating to or supported by multiple groups, especially by multiple political parties.
- multipartyism — a political system in which two or more political parties contest elections
- multiplatform — Compatible with or involving more than one type of computer or operating system.
- multiple star — three or more stars lying close together in the celestial sphere and usually united in a single gravitational system.
- multipolarity — The condition of being multipolar.
- multispectral — (of an airborne camera or scanner) capable of sensing and recording radiation from invisible as well as visible parts of the electromagnetic spectrum.
- multitemporal — (music) Having multiple tempos.
- murder weapon — the weapon that was used in a murder
- musculospiral — (anatomy) Of or pertaining to the muscles, and taking a spiral course; applied especially to a large nerve of the arm.
- musicotherapy — the treatment of mental disorders with music
- natural slope — the maximum angle at which soil will lie in a bank without slipping
- ne plus ultra — the highest point; acme.