19-letter words containing b, o, l, u
- mutual masturbation — the act of two or more people masturbating each other
- negation by failure — An extralogical feature of Prolog and other logic programming languages in which failure of unification is treated as establishing the negation of a relation. For example, if Ronald Reagan is not in our database and we asked if he was an American, Prolog would answer "no".
- nominative absolute — a construction consisting in English of a noun, noun phrase, or pronoun in the nominative case followed by a predicate lacking a finite verb, used as a loose modifier of the whole sentence, as the play done in The play done, the audience left the theater.
- non-distinguishable — to mark off as different (often followed by from or by): He was distinguished from the other boys by his height.
- normal distribution — a theoretical frequency distribution represented by a normal curve.
- obsolescence clause — a clause in an insurance policy that takes account of the obsolescence of the item insured in order to lower the amount to be paid out in the event of a claim
- olive-backed thrush — Swainson's thrush.
- once in a blue moon — very rarely; almost never
- optical double star — two stars that appear as one if not viewed through a telescope with adequate magnification, such as two stars that are separated by a great distance but are nearly in line with each other and an observer (optical double star) or those that are relatively close together and comprise a single physical system (physical double star)
- out at (the) elbows — shabby; poverty-stricken
- oxyacetylene burner — a blowpipe for cutting or welding metals at high temperatures
- party-column ballot — Indiana ballot.
- phthalocyanine blue — a pigment used in painting, derived from copper phthalocyanine and characterized chiefly by its brilliant, dark-blue color and by permanence.
- pointe-aux-trembles — a city in S Quebec, in E Canada, N of Montreal, on the St. Lawrence.
- portobello mushroom — a dark mushroom, strong in flavor, having a broad, flat cap that is often grilled and eaten
- potassium bisulfate — a colorless, crystalline, water-soluble solid, KHSO 4 , used chiefly in the conversion of tartrates to bitartrates.
- profitability study — a study of how much profit a company, organization, etc, makes or how profitable it is
- provably unsolvable — The set or property of problems for which no algorithm at all exists. E.g. the Halting Problem. See also provably difficult.
- pseudo-biographical — of or relating to a person's life: He's gathering biographical data for his book on Milton.
- public-opinion poll — a poll taken by sampling a cross section of the public in an effort to predict election results or to estimate public attitudes on issues.
- republic of ireland — John, 1838–1918, U.S. Roman Catholic clergyman and social reformer, born in Ireland: archbishop of St. Paul, Minn., 1888–1918.
- republic of letters — the collective body of literary people.
- republic of vietnam — the name (from 1955–75) for South Vietnam, as an independent republic, following the division of the country in 1954 into North Vietnam and South Vietnam
- sb's spiritual home — your spiritual home is the place where you feel that you belong, usually because your ideas or attitudes are the same as those of the people who live there
- semibituminous coal — a coal intermediate between bituminous and anthracite coal in hardness, yielding the maximum heat of any ordinary steam coal.
- seminiferous tubule — any of the coiled tubules of the testis in which spermatozoa are produced.
- short-tail business — Short-tail business is insurance business where it is known that claims will be made and settled quickly.
- southern crab apple — a tree, Malus angustifolia, of the eastern U.S., having oblong leaves, fragrant, pink or rose-colored flowers, and small, round, yellow-green fruit.
- telescopic umbrella — an umbrella having parts that telescope
- the compassion club — (in Canada) a nonprofit organization that provides uncontaminated cannabis for medical purposes and natural therapies in a safe environment
- the labour movement — a movement campaigning for the interests of working people, for example for better working conditions, better treatment from employers, etc
- to be full of beans — If someone is full of beans, they are very lively and have a lot of energy and enthusiasm.
- to give sb a leg up — to help with climbing
- to hold your breath — If you hold your breath, you make yourself stop breathing for a few moments, for example because you are under water.
- to plumb new depths — If you say that something plumbs new depths, you mean that it is worse than all the things of its kind that have existed before, even though some of them have been very bad.
- to plumb the depths — If someone plumbs the depths of an unpleasant emotion or quality, they experience it or show it to an extreme degree.
- to turn a blind eye — If you say that someone is turning a blind eye to something bad or illegal that is happening, you mean that you think they are pretending not to notice that it is happening so that they will not have to do anything about it.
- touch all the bases — to deal with all related details
- trouble someone for — to ask someone to pass, hand, give, etc. (something) to one
- turn a blind eye to — to pretend not to notice or ignore deliberately
- yablonovy mountains — a mountain range in Siberia. Highest peak: 1680 m (5512 ft)