13-letter words containing a, e, r, i, u
- laboriousness — requiring much work, exertion, or perseverance: a laborious undertaking.
- 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.
- lake-urumiyeh — Lake. Urmia, Lake.
- lambeosaurine — Any crested hadrosaurid dinosaur of the subfamily Lambeosaurinae.
- lasik surgery — laser surgery to correct short sight
- latin quarter — the quarter of Paris on the south side of the Seine, especially frequented for centuries by students, writers, and artists.
- laurel family — the plant family Lauraceae, characterized by evergreen or deciduous trees having simple, leathery leaves, aromatic bark and foliage, clusters of small green or yellow flowers, and fruit in the form of a berry or drupe, and including the avocado, bay, laurels of the genera Laurus and Umbellularia, sassafras, spicebush (Lindera benzoin), and the trees that yield camphor and cinnamon.
- 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
- liebfraumilch — a white wine produced chiefly in the region of Hesse in Germany.
- lingual brace — a specialized dental brace that fits behind the teeth so that it is not visible when the wearer speaks or smiles.
- linkage group — a group of genes in a chromosome that tends to be inherited as a unit.
- liqueur glass — a small glass intended for drinking liqueur from
- literacy hour — (in England and Wales) a daily reading and writing lesson that was introduced into the national primary school curriculum in 1998 to raise standards of literacy
- little russia — former name for the region consisting mainly of Ukraine but sometimes considered as including adjacent areas.
- liver sausage — liverwurst.
- louis pasteur — Louis [loo-ee;; French lwee] /ˈlu i;; French lwi/ (Show IPA), 1822–95, French chemist and bacteriologist.
- lounge lizard — a foppish man who frequents bars, cafés, hotel lounges, etc., with or in search of women.
- lower austria — a province in NE Austria. 7092 sq. mi. (18,370 sq. km).
- lucid dreamer — a person who has lucid dreams, either naturally or as a result of training
- lucifer match — friction match.
- lucrativeness — profitable; moneymaking; remunerative: a lucrative business.
- lucretia mott — John Raleigh, 1865–1955, U.S. religious leader: Nobel Peace Prize 1946.
- 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.
- lunar orbiter — one of a series of space probes that orbited and photographed the moon in 1966 and 1967.
- luxembourgian — of or relating to Luxembourg, its people, or their language.
- macronutrient — Nutrition. any of the nutritional components of the diet that are required in relatively large amounts: protein, carbohydrate, fat, and the macrominerals.
- madeira sauce — a savoury sauce made with Madeira wine and served with meat
- magnesiferous — (geology) Containing magnesium.
- magnetic drum — a cylinder coated with magnetic material, on which data and programs can be stored.
- magnetiferous — (dated) Producing or conducting magnetism.
- majority rule — the principle that decisions supported by more than half the people in a group have effect upon all the people in that group
- mammaliferous — containing the remains of mammals
- manganiferous — containing manganese.
- manicure case — a case for holding small tools designed to care for the fingernails
- manufactories — Plural form of manufactory.
- mare chronium — an area in the southern hemisphere of Mars, appearing as a dark region when viewed telescopically from the earth.
- marine league — a unit of 3 nautical miles (5.6 km).
- martin luther — Martin [mahr-tn;; German mahr-teen] /ˈmɑr tn;; German ˈmɑr tin/ (Show IPA), 1483–1546, German theologian and author: leader, in Germany, of the Protestant Reformation.
- martinez ruiz — José [haw-se] /hɔˈsɛ/ (Show IPA), Azorín.
- mater turrita — Cybele.
- measurability — capable of being measured.
- measuring cup — a graduated cup used especially in cooking for measuring ingredients.
- measuring jug — a graduated jug used in cooking to measure ingredients
- measuring rod — ruler, gauge, stick for measuring
- measuringworm — the larva of any geometrid moth, which progresses by bringing the rear end of the body forward and then advancing the front end.
- medium quarto — a size of book, about 9½ × 12 inches (24 × 30 cm), untrimmed. Abbreviation: medium 4to.
- mensurability — The quality of being mensurable.
- mercurialized — Simple past tense and past participle of mercurialize.