13-letter words containing r, o, t, u
- 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.
- liposculpture — the surgical removal of subcutaneous fat and its transplant to another part of the body, as to fill out facial contours.
- 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
- 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)
- loop diuretic — any of a group of diuretics, including frusemide, that act by inhibiting resorption of salts from Henle's loop of the kidney tubule
- lophotrichous — (biology, of bacteria) Having multiple flagella located at the same point, so that they can act in concert to drive the bacterium in a single direction.
- 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.
- low countries — the lowland region of W Europe, on the North Sea: consists of Belgium, Luxembourg, and the Netherlands
- lower austria — a province in NE Austria. 7092 sq. mi. (18,370 sq. km).
- lubber's knot — an improperly made reef or square knot, likely to slip loose.
- lucretia mott — John Raleigh, 1865–1955, U.S. religious leader: Nobel Peace Prize 1946.
- lump together — If a number of different people or things are lumped together, they are considered as a group rather than separately.
- lunar orbiter — one of a series of space probes that orbited and photographed the moon in 1966 and 1967.
- lunch counter — a counter, as in a store or restaurant, where light meals and snacks are served or are sold to be taken out.
- lycanthropous — Lycanthropic.
- macromutation — a mutation that has a profound effect on the resulting organism, as a change in a regulatory gene that controls the expression of many structural genes.
- macronucleate — having a macronucleus.
- macronutrient — Nutrition. any of the nutritional components of the diet that are required in relatively large amounts: protein, carbohydrate, fat, and the macrominerals.
- 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
- manufactories — Plural form of manufactory.
- matriculation — to enroll in a college or university as a candidate for a degree.
- matriculatory — relating to matriculation
- mayor's court — a city court presided over by a mayor.
- measure up to — to fulfil (expectations, standards, etc)
- meat products — foods that consist of or contain meat
- medium quarto — a size of book, about 9½ × 12 inches (24 × 30 cm), untrimmed. Abbreviation: medium 4to.
- megawatt hour — a unit of energy equal to the work done by a power of a million watts in one hour
- meritoriously — deserving praise, reward, esteem, etc.; praiseworthy: to receive a gift for meritorious service.
- merleau-ponty — Maurice, 1908–61, French phenomenological philosopher.
- merrythoughts — Plural form of merrythought.
- metalliferous — containing or yielding metal.
- methoxy group — the univalent group CH 3 O−.
- microcircuits — Plural form of microcircuit.
- microcomputer — a compact computer, with less capacity and capability than a minicomputer, consisting of a microprocessor and other components.
- microcultural — Of or pertaining to a microculture.
- micronucleate — having a micronucleus.
- micronutrient — an essential nutrient, as a trace mineral or vitamin, that is required by an organism in minute amounts.
- micropuncture — the puncture of a cell, renal tubule, etc., by a laser beam or micropipette
- military coup — a coup organized and carried out by members of the armed forces
- milk products — dairy produce, items made with milk
- minicomputers — a computer with processing and storage capabilities smaller than those of a mainframe but larger than those of a microcomputer.
- miscalculator — A person who miscalculates.
- misconjecture — the formation or expression of an opinion or theory without sufficient evidence for proof.