13-letter words containing r, e, t, o, u
- 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.
- 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.
- 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−.
- microcomputer — a compact computer, with less capacity and capability than a minicomputer, consisting of a microprocessor and other components.
- 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
- minicomputers — a computer with processing and storage capabilities smaller than those of a mainframe but larger than those of a microcomputer.
- misconjecture — the formation or expression of an opinion or theory without sufficient evidence for proof.
- misunderstood — improperly understood or interpreted.
- moebius strip — Möbius strip
- monetary unit — the standard unit of value of the currency of a country, as the dollar in the U.S. and the franc in France.
- money to burn — more money than one needs
- monmouthshire — a historic county in E Wales, now part of Gwent, Mid Glamorgan, and South Glamorgan.
- monosaturated — (organic chemistry, of a glyceride) Having one saturated fatty acid.
- monotrematous — of or relating to a monotreme.
- mons serratus — a mountain in NE Spain, northwest of Barcelona: famous Benedictine monastery. Height: 1235 m (4054 ft)
- monster truck — a pick-up truck with extremely large tyres, often used for racing over rough terrain
- monstrousness — frightful or hideous, especially in appearance; extremely ugly.
- moose pasture — land considered to be worthless, esp when lacking in extractable mineral deposits
- mordant rouge — a solution of aluminum acetate in acetic acid, used in dyeing and calico printing.
- mother church — a church from which other churches have had their origin or derived their authority.
- mother figure — a woman embodying or seeming to embody the qualities of an idealized conception of the female parent, eliciting from others the emotional responses that a child typically has toward its mother.
- mother liquor — the portion of a solution remaining after crystallization of its important component.
- mother nature — a personification of the forces of nature as a controlling and regulating maternal being, sometimes creative and caring.
- mother tongue — the language first learned by a person; native language.
- motherfucking — a mean, despicable, or vicious person.
- moto perpetuo — a fast instrumental passage made up of notes of equal length
- mottled umber — a brownish geometrid moth, Erannis defoliaria, whose looper larvae can strip branches and even trees
- mount everest — Mount, a mountain in S Asia, on the boundary between Nepal and Tibet, in the Himalayas: the highest mountain in the world. 29,028 feet (8848 meters).
- mount gambier — a city in S Australia.
- mount rainier — Mount, a volcanic peak in W Washington, in the Cascade Range. 14,408 feet (4392 meters).
- mountebankery — The practices of a mountebank; quackery; boastful and vain pretenses.
- mousetrapping — Present participle of mousetrap.