13-letter words containing l, o, u, a
- lake sturgeon — a sturgeon, Acipenser fulvescens, of the Great Lakes and Mississippi and St. Lawrence rivers.
- 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.
- lamb's tongue — a molding having a deep, symmetrical profile ending in a narrow edge, as in a sash bar.
- lambeosaurine — Any crested hadrosaurid dinosaur of the subfamily Lambeosaurinae.
- language code — (human language, standard) A set of standard names and abbreviations maintained by ISO for identifying human languages, natural and invented, past and present. Each language has a list of English and French names and an ISO 639-2 three-letter code. Some also have an ISO 639-1 two-letter code. The list even includes the Klingon language from the Star Trek science fiction series. There are also country codes.
- 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.
- laughingstock — an object of ridicule; the butt of a joke or the like: His ineptness as a public official made him the laughingstock of the whole town.
- launch window — a precise time period during which a spacecraft can be launched from a particular site in order to achieve a desired mission, as a rendezvous with another spacecraft.
- laundry-woman — laundress.
- lauroyl group — the monovalent organic group C 12 H 23 O–, derived from lauric acid.
- law of nature — an empirical truth of great generality, conceived of as a physical (but not a logical) necessity, and consequently licensing counterfactual conditionals
- lay about one — to put or place in a horizontal position or position of rest; set down: to lay a book on a desk.
- leiomyomatous — a benign tumor composed of nonstriated muscular tissue.
- leptocephalus — a colorless, transparent, flattened larva, especially of certain eels and ocean fishes.
- leucaemogenic — leukemogenic
- leukaemogenic — relating to the development of leukaemia, or causing leukaemia
- lighthouseman — a lighthouse keeper
- linkage group — a group of genes in a chromosome that tends to be inherited as a unit.
- liquefactions — Plural form of liquefaction.
- liquid storax — a solid resin with a vanillalike odor, obtained from a small tree, Styrax officinalis: formerly used in medicine and perfumery.
- liquification — Alternative form of liquefaction.
- 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
- loan-to-value — the ratio between the sum of money lent in a mortgage agreement and the lender's valuation of the property involved
- local council — the governing body of a county, district, etc
- local maximum — maximum (def 4a).
- local minimum — minimum (def 5a).
- local-maximum — maximum (def 4a).
- logical truth — the property of being logically tautologous
- long fin tuna — a tunny, Thunnus alalunga, occurring mainly in warm regions of the Atlantic and Pacific. It has very long pectoral fins and is a valued food fish
- loss adjuster — A loss adjuster is someone who is employed by an insurance company to decide how much money should be paid to a person making a claim.
- louis pasteur — Louis [loo-ee;; French lwee] /ˈlu i;; French lwi/ (Show IPA), 1822–95, French chemist and bacteriologist.
- lounge around — to pass time idly and indolently.
- lounge jacket — a man's jacket for formal use during the daytime where a suit is not required
- lounge lizard — a foppish man who frequents bars, cafés, hotel lounges, etc., with or in search of women.
- low churchman — a person who advocates or follows Low Church practices.
- lower austria — a province in NE Austria. 7092 sq. mi. (18,370 sq. km).
- lucretia mott — John Raleigh, 1865–1955, U.S. religious leader: Nobel Peace Prize 1946.
- lump of sugar — lump1 (def 4).
- lunar orbiter — one of a series of space probes that orbited and photographed the moon in 1966 and 1967.
- lunar rainbow — moonbow.
- luncheon meat — any of various sausages or molded loaf meats, usually sliced and served cold, as in sandwiches or as garnishes for salads.
- luteinization — to produce corpora lutea in.
- luxembourgian — of or relating to Luxembourg, its people, or their language.
- lycanthropous — Lycanthropic.
- macrocephalus — Alternative spelling of macrocephalous.
- macroglobulin — A plasma globulin of high molecular weight.
- macromolecule — a very large molecule, as a colloidal particle, protein, or especially a polymer, composed of hundreds or thousands of atoms.
- macronucleate — having a macronucleus.
- macrovascular — Of or pertaining to the larger blood vessels.