13-letter words containing r, a, s, p
- joseph crater — Joseph Force [fawrs,, fohrs] /fɔrs,, foʊrs/ (Show IPA), 1889–? a judge of the New York State Supreme Court: his mysterious disappearance on August 6, 1930, has never been solved.
- jumper cables — jump leads for starting a vehicle
- kapellmeister — a choirmaster.
- kepler's laws — 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)
- kerosene lamp — light fuelled by paraffin
- kick upstairs — to strike with the foot or feet: to kick the ball; to kick someone in the shins.
- kinesitherapy — a movement-based therapy
- kraft process — a process for making wood pulp by digesting wood chips in an alkaline liquor consisting chiefly of caustic soda together with sodium sulfate.
- labour supply — the total number of hours that workers are willing and able to be paid wages to work for
- lactoproteins — Plural form of lactoprotein.
- 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.
- lamp standard — a tall metal or concrete post supporting a street lamp
- landing strip — airstrip.
- landownership — an owner or proprietor of land.
- laparoscopies — Plural form of laparoscopy.
- laparoscopist — One who carries out laparoscopy.
- laryngoscopes — Plural form of laryngoscope.
- laryngoscopic — Of or pertaining to laryngoscopy.
- laser pointer — a portable laser that emits monochromatic light over a long and narrow distance, used especially as a pointing device.
- laser printer — Computers. a high-speed printer that uses a laser to form dot-matrix patterns and an electrostatic process to fuse metallic particles to paper a page at a time: capable of producing a variety of character fonts, graphics, and other symbols.
- leapfrog test — a diagnostic technique using arithmetic or logical operations in a routine to manage the capacity of storage media, transfer data, and check the results.
- legal process — court procedure
- leopard shark — a small, inshore shark, Triakis semifasciata, having distinctive black markings across the back, inhabiting Pacific coastal waters from Oregon through California.
- lepidopterans — Plural form of lepidopteran.
- leprechaunish — somewhat similar to a leprechaun
- letterspacing — the amount of space between each letter in a word, or the adjustment of this amount of space
- 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
- librarianship — a profession concerned with acquiring and organizing collections of books and related materials in libraries and servicing readers and others with these resources.
- library paste — a white, smooth paste for paper and lightweight cardboard.
- library steps — a folding stepladder, especially one folding into another piece of furniture, as a table or chair.
- lord's prayer — the, the prayer given by Jesus to His disciples, and beginning with the words Our Father. Matt. 6:9–13; Luke 11:2–4.
- louis pasteur — Louis [loo-ee;; French lwee] /ˈlu i;; French lwi/ (Show IPA), 1822–95, French chemist and bacteriologist.
- 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.
- lymphosarcoma — a malignant tumor in lymphatic tissue, caused by the growth of abnormal lymphocytes.
- macrocephalus — Alternative spelling of macrocephalous.
- macroparasite — (biology) Any parasite that is visible to the naked eye.
- macroscopical — Macroscopic.
- magnetographs — Plural form of magnetograph.
- magnetosphere — the outer region of the earth's ionosphere, where the earth's magnetic field controls the motion of charged particles, as in the Van Allen belts. Compare magnetopause.
- mainz psalter — a book printed by Johannes Gutenberg: thought by some to be the first book printed from movable type.
- major premise — Logic. an argument the conclusion of which is supported by two premises, of which one (major premise) contains the term (major term) that is the predicate of the conclusion, and the other (minor premise) contains the term (minor term) that is the subject of the conclusion; common to both premises is a term (middle term) that is excluded from the conclusion. A typical form is “All A is C; all B is A; therefore all B is C.”.
- make sport of — to mock or ridicule; poke fun at
- malabsorption — faulty absorption of nutritive material from the intestine.
- malapropistic — an act or habit of misusing words ridiculously, especially by the confusion of words that are similar in sound.
- mantis shrimp — any stomatopod crustacean having a pair of appendages modified for grasping prey and resembling those of a mantis.
- mariposa lily — any lily of the genus Calochortus, of the western U.S. and Mexico, having tuliplike flowers of various colors.