13-letter words containing p, a, r, o
- 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.
- lambda prolog — (language) An extension of standard Prolog defined by Dale A. Miller and Gopalan Nadathur in 1986, in which terms are strongly typed lambda terms. Clauses are higher order hereditary Harrop formulas. The main novelties are universal quantification on goals and implication. The Prolog/Mali compiler compiles Lambda Prolog for the MALI abstract memory system. Mailing list: [email protected]
- landownership — an owner or proprietor of land.
- 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.
- 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.
- latent period — Also, latency period. Pathology. the interval between exposure to a carcinogen, toxin, or disease-causing organism and development of a consequent disease.
- lauroyl group — the monovalent organic group C 12 H 23 O–, derived from lauric acid.
- leaded petrol — petrol containing tetraethyl lead in order to improve combustion
- leap-frogging — a game in which players take turns in leaping over another player bent over from the waist.
- 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.
- lexicographer — a writer, editor, or compiler of a dictionary.
- lexicographic — Like a dictionary, relating to lexicography (the writing of a dictionary).
- linkage group — a group of genes in a chromosome that tends to be inherited as a unit.
- lipogrammatic — of or relating to a lipogram
- lithographing — Present participle of lithograph.
- lord temporal — a member of the House of Lords who is not a member of the clergy.
- 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.
- lump of sugar — lump1 (def 4).
- lycanthropous — Lycanthropic.
- lymphographic — of or relating to lymphography
- lymphosarcoma — a malignant tumor in lymphatic tissue, caused by the growth of abnormal lymphocytes.
- macrocephalic — Cephalometry. being or having a head with a large cranial capacity.
- macrocephalus — Alternative spelling of macrocephalous.
- macroparasite — (biology) Any parasite that is visible to the naked eye.
- macropinacoid — a crystalline pinacoid which runs parallel to the longer horizontal axis
- macroplankton — planktonic organisms of about 1 mm in length.
- macroscopical — Macroscopic.
- 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.
- madeira topaz — citrine (def 2).
- 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.
- mail exploder — (messaging) Part of an electronic mail delivery system which allows a message to be delivered to a list of addresses. Mail exploders are used to implement mailing lists. Users send messages to a single address and the mail exploder takes care of delivery to the individual mailboxes in the list.
- major penalty — a penalty consisting of the removal of a player for five minutes from play, no substitute for the player being permitted.
- 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.”.
- major prophet — any of a group of Old Testament prophets, including Isaiah, Jeremiah, and Ezekiel.
- 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.
- malonyl group — the bivalent group C 3 H 2 O 2 , derived from malonic acid.
- mariposa lily — any lily of the genus Calochortus, of the western U.S. and Mexico, having tuliplike flowers of various colors.