13-letter words containing u, b, e, r
- lepton number — in a process involving elementary particles, the total number of leptons minus the total number of antileptons.
- letzeburgesch — a Germanic dialect that is the native language of most of the people of Luxembourg.
- 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.
- lingual brace — a specialized dental brace that fits behind the teeth so that it is not visible when the wearer speaks or smiles.
- lower burrell — a city in SW Pennsylvania.
- lubber's hole — (in a top on a mast) an open space through which a sailor may pass instead of climbing out on the futtock shrouds.
- lubber's knot — an improperly made reef or square knot, likely to slip loose.
- lubber's line — a vertical line on the forward inner side of the bowl of a fixed compass, used as a reference mark indicating the heading of a vessel.
- lumbar plexus — a network of nerves originating in the spinal nerves of the midback region and innervating the pelvic area, the front of the legs, and part of the feet.
- lumber jacket — a short, straight, wool plaid jacket or coat, for informal wear, usually belted and having patch pockets.
- lumberjackets — Plural form of lumberjacket.
- 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.
- luxembourgish — Also, Luxembourgish [luhk-suh m-bur-gish] /ˈlʌk səmˌbɜr gɪʃ/ (Show IPA). Letzeburgesch.
- marble quarry — a quarry where marble is extracted
- measurability — capable of being measured.
- medium bomber — a moderately large airplane capable of carrying large bomb loads for moderate distances at medium altitudes, especially one having a gross loaded weight of 100,000 to 250,000 pounds (45,000 to 113,000 kg).
- melbourne cup — an annual horse race run in Melbourne, since 1861
- membranaceous — Resembling or having properties of a membrane.
- mensurability — The quality of being mensurable.
- microbusiness — A business that operates on a very small scale.
- middleborough — a town in SE Massachusetts.
- middlesbrough — a seaport in NE England, on the Tees estuary.
- midriff bulge — a roll of fat around your midriff
- midterm blues — the tendency of electorate to grow disillusioned with government around halfway through its term of office
- millau bridge — a road bridge, the highest in the world, crossing the River Tarn in the Massif Central in SW France; designed by Sir Norman Foster and opened in 2004
- minisubmarine — A small submarine.
- misattributed — Simple past tense and past participle of misattribute.
- mobile number — a set of figures identifying the mobile telephone of a particular subscriber, and used in making connections to that telephone
- moebius strip — Möbius strip
- money grubber — a person who is aggressively engaged in or preoccupied with making or saving money.
- money to burn — more money than one needs
- money-grubber — a person who is aggressively engaged in or preoccupied with making or saving money.
- moneygrubbers — Plural form of moneygrubber.
- moneygrubbing — Alternative spelling of money-grubbing.
- mottled umber — a brownish geometrid moth, Erannis defoliaria, whose looper larvae can strip branches and even trees
- mound builder — a member of one of the various American Indian tribes who, in prehistoric and early historic times, erected the burial mounds and other earthworks of the Mississippi drainage basin and southeastern U.S.
- mound-builder — a member of one of the various American Indian tribes who, in prehistoric and early historic times, erected the burial mounds and other earthworks of the Mississippi drainage basin and southeastern U.S.
- mount gambier — a city in S Australia.
- mountebankery — The practices of a mountebank; quackery; boastful and vain pretenses.
- mouthbreather — a person who breathes through the mouth instead of through the nose
- multibranched — Having more than one branch.
- multivariable — having, involving or relying upon two or more variables, esp in statistics
- mycobacterium — A bacterium of a group that includes the causative agents of leprosy and tuberculosis.
- neighbourhood — Standard spelling of neighborhood.
- neuroblastoma — a malignant tumor of immature nerve cells that usually starts in the autonomic nervous system or adrenal gland and spreads quickly, most often affecting young children.
- neurofeedback — The presentation of realtime feedback on brainwave activity, as measured by sensors on the scalp, sometimes offered as a means of therapy.