13-letter words containing r, u, b, t
- kennebunkport — a town in SW Maine: summer resort.
- kirkcudbright — a historic county in SW Scotland.
- labour market — When you talk about the labour market, you are referring to all the people who are able to work and want jobs in a country or area, in relation to the number of jobs there are available in that country or area.
- labour unrest — unrest or dissatisfaction displayed by workers, often in the form of strikes, and sometimes violent disputes, etc, which disrupts normal business
- laughter club — a group of people who meet regularly to take part in communal laughing for therapeutic effect
- 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.
- lubber's knot — an improperly made reef or square knot, likely to slip loose.
- 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.
- measurability — capable of being measured.
- mensurability — The quality of being mensurable.
- midterm blues — the tendency of electorate to grow disillusioned with government around halfway through its term of office
- misattributed — Simple past tense and past participle of misattribute.
- moebius strip — Möbius strip
- money to burn — more money than one needs
- mottled umber — a brownish geometrid moth, Erannis defoliaria, whose looper larvae can strip branches and even trees
- mount gambier — a city in S Australia.
- mountainboard — a type of skateboard specially designed for rough terrain and steep slopes, having four large wheels linked by a suspension system
- 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
- multivibrator — A device consisting of two amplifying transistors or valves, each with its output connected to the input of the other, producing an oscillatory signal.
- mycobacterium — A bacterium of a group that includes the causative agents of leprosy and tuberculosis.
- 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.
- non-budgetary — an estimate, often itemized, of expected income and expense for a given period in the future.
- non-reputable — held in good repute; honorable; respectable; estimable: a reputable organization.
- nonambulatory — of, relating to, or capable of walking: an ambulatory exploration of the countryside.
- nonreturnable — not returnable.
- notary public — a public officer or other person authorized to authenticate contracts, acknowledge deeds, take affidavits, protest bills of exchange, take depositions, etc.
- nubian desert — an arid region in the NE Sudan.
- number theory — the study of integers and their relation to one another.
- obiter dictum — an incidental or passing remark, opinion, etc.
- objurgatively — In an objurgative or reproving manner.
- obstructively — In an obstructive manner.
- obtrusiveness — having or showing a disposition to obtrude, as by imposing oneself or one's opinions on others.
- octane number — (of gasoline) a designation of antiknock quality, numerically equal to the percentage of isooctane by volume in a mixture of isooctane and normal heptane that matches the given gasoline in antiknock characteristics.
- ostrobogulous — (humorous) Slightly risqu\u00e9 or indecent; bizarre, interesting, or unusual.
- out of breath — the air inhaled and exhaled in respiration.
- outward bound — (in Britain) a scheme to provide adventure training for young people
- outward-bound — headed in an outward direction, as toward foreign ports: We passed an outward-bound ship as we came into the harbor.
- over-abundant — an excessive amount or abundance; surfeit: an overabundance of sugar in the diet.
- overambitious — having ambition; eagerly desirous of achieving or obtaining success, power, wealth, a specific goal, etc.: ambitious students.
- overexuberant — effusively and almost uninhibitedly enthusiastic; lavishly abundant: an exuberant welcome for the hero.
- owl butterfly — any of several South American nymphalid butterflies of the genus Caligo, especially C. eurylochus, having a spot like an owl's eye on each hind wing.