13-letter words containing u, r, l
- lambeosaurine — Any crested hadrosaurid dinosaur of the subfamily Lambeosaurinae.
- language arts — study of reading and writing
- 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.
- laser surgery — the surgical use of lasers.
- 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.
- laughter club — a group of people who meet regularly to take part in communal laughing for therapeutic effect
- laundry-woman — laundress.
- laurel cherry — a tree, Prunus caroliniana, of the rose family, of the southeastern U.S., having small, milky-white flowers and black, shiny fruit.
- 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.
- laurel wreath — a wreath of interlocking laurel leaves and branches, which can be worn on the head to represent victory
- lauroyl group — the monovalent organic group C 12 H 23 O–, derived from lauric acid.
- lavender-blue — coloured between blue and pale or light bluish-purple to a very pale violet colour
- law of nature — an empirical truth of great generality, conceived of as a physical (but not a logical) necessity, and consequently licensing counterfactual conditionals
- least squares — a method of estimating values from a set of observations by minimizing the sum of the squares of the differences between the observations and the values to be found.
- lecherousness — The property of being lecherous.
- lectisternium — (in ancient Rome) a religious rite in which the images of the gods were placed upon couches around a table, upon which was set a feast
- lecture notes — notes that are taken by someone attending a lecture
- leisureliness — The property of being leisurely.
- lepidopterous — belonging or pertaining to the Lepidoptera, an order of insects comprising the butterflies, moths, and skippers, that in the adult state have four membranous wings more or less covered with small scales.
- leprechaunish — somewhat similar to a leprechaun
- leptokurtosis — the state of being leptokurtic.
- leptokurtotic — (statistics) Leptokurtic.
- lepton number — in a process involving elementary particles, the total number of leptons minus the total number of antileptons.
- letter ruling — a written ruling sent by the U.S. Internal Revenue Service in response to a query concerning the application of the tax laws to a specific situation.
- letzeburgesch — a Germanic dialect that is the native language of most of the people of Luxembourg.
- leucitohedron — a trapezohedron
- 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
- lever tumbler — a flat metal tumbler in a lock.
- libel tourism — the act of suing a writer for alleged defamation in a foreign jurisdiction where there are weak libel laws.
- libel tourist — someone who engages in libel tourism.
- liebfraumilch — a white wine produced chiefly in the region of Hesse in Germany.
- light cruiser — a naval cruiser having 6-inch (15-cm) guns as its main armament.
- lighter fluid — a combustible fluid used in cigarette, cigar, and pipe lighters.
- line spectrum — an electromagnetic spectrum consisting of discrete lines, usually characteristic of excited atoms or molecules.
- lingua franca — any language that is widely used as a means of communication among speakers of other languages.
- 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.
- liposculpture — the surgical removal of subcutaneous fat and its transplant to another part of the body, as to fill out facial contours.
- liqueur glass — a small glass intended for drinking liqueur from
- liquid storax — a solid resin with a vanillalike odor, obtained from a small tree, Styrax officinalis: formerly used in medicine and perfumery.
- lissotrichous — having straight hair.
- 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.
- little turtle — (Michikinikwa) 1752?–1812, leader of the Miami tribe.
- liver sausage — liverwurst.
- logic circuit — a circuit designed to perform complex functions defined in terms of elementary functions of mathematical logic.
- logical truth — the property of being logically tautologous
- long trousers — full-length trousers (as opposed to shorts)
- longsuffering — enduring injury, trouble, or provocation long and patiently.