18-letter words containing a, l, b, o, n

nebular hypothesis — the theory that the solar system evolved from a mass of nebular matter: prominent in the 19th century following its precise formulation by Laplace.
nobiliary particle — a preposition forming part of a title of nobility or surname, as French de or German von.
non-accountability — the state of being accountable, liable, or answerable.
non-understandable — capable of being understood; comprehensible.
nonachlorobiphenyl — (organic compound) Either of three isomers of the polychlorinated biphenyl containing nine chlorine atoms.
noninterchangeable — That cannot be interchanged with another.
north attleborough — a city in SE Massachusetts.
not by a long shot — absolutely not
notifiable disease — any one of a number of infectious diseases of humans and animals, that must be reported to the public health authorities
octachlorobiphenyl — (organic compound) Either of twelve isomers of the polychlorinated biphenyl containing eight chlorine atoms.
one's heart bleeds — used to express sympathetic grief, but often used ironically
one-banana problem — (jargon, abuse) At computer installations where the computers have operators for routine administrivia, the programmers and hardware people tend to look down on the operators and claim that a trained monkey could do their job. The incentives offered to said monkeys would then describe the difficulty of a task. A one-banana problem is simple; hence, "It's only a one-banana job at the most; what's taking them so long?" See also Infinite-Monkey Theorem.
optical brightener — an additive that dyes and brightens fabric or paper
oriental alabaster — alabaster (def 2).
personal bodyguard — a person employed to protect a particular person
point-bearing pile — a pile depending on the soil or rock beneath its foot for support.
population balance — A population balance is a model showing particle sizes during a grinding process, which is used when designing a process.
portable equipment — Portable equipment is electrical equipment that can easily be moved from one place to another while in operation or while connected to the supply.
prepositional verb — a combination of verb and preposition, often with idiomatic meaning, differing from other phrasal verbs in that an object must always follow the preposition, as take after in The children take after their mother.
public corporation — a corporation, owned and operated by a government, established for the administration of certain public programs.
public examination — an examination, such as a GCSE exam, that is set by a central examining board
publishing company — a firm which publishes books
pulmonary embolism — the blockage of a pulmonary artery, often by a blood clot, that stops the flow of blood to the lungs and which can result in death if untreated
put a bold face on — to seem bold or confident about
ragtag and bobtail — the riffraff; rabble: The ragtag and bobtail of every nation poured into the frontier in search of gold.
range of stability — the angle to the perpendicular through which a vessel may be heeled without losing the ability to right itself.
relational algebra — (database, theory) A family of algebra with a well-founded semantics used for modelling the data stored in relational databases, and defining queries on it. The main operations of the relational algebra are the set operations (such as union, intersection, and cartesian product), selection (keeping only some lines of a table) and the projection (keeping only some columns). The relational data model describes how the data is structured.
selective abortion — the aborting of particular embryos for medical or social reasons
seven-league boots — mythical boots that allowed the wearer to travel seven leagues (a former unit of measurement), ie a great length, at each step
significant symbol — a verbal or nonverbal gesture, as a word or smile, that has acquired a conventionalized meaning.
sindbad the sailor — (in The Arabian Nights' Entertainments), a wealthy citizen of Baghdad who relates the adventures of his seven wonderful voyages.
slobodan milosevic — Slobodan [sloh-buh-dain] /ˈsloʊ bəˌdɛən/ (Show IPA), 1941–2006, Yugoslav and Serbian politician: president of Serbia 1989–97, president of the Federal Republic of Yugoslavia 1997–2000, accused of war crimes 2001.
small pastern bone — the part of the foot of a horse, cow, etc., between the fetlock and the hoof.
social bookmarking — the practice of saving bookmarked Web pages to a public website as a way to share the links with other Internet users: Social bookmarking is a tool that allows you to add tags and comments to your bookmarks.
software backplane — (programming, tool) A CASE framework from Atherton.
solomon rabinowitz — Solomon, Aleichem, Sholom.
spin stabilization — a technique by which a bullet, rocket, etc, is made to spin around its longitudinal axis to assist it in maintaining a steady flight path
stationary bicycle — an exercise bike
sub-classification — to arrange in subclasses.
subordinate clause — a clause that modifies the principal clause or some part of it or that serves a noun function in the principal clause, as when she arrived in the sentence I was there when she arrived or that she has arrived in the sentence I doubt that she has arrived.
task control block — (architecture) An MVS control block used to communicate information about tasks within an address space that are connected to an MVS subsystem such as MQSeries for MVS/ESA or CICS.
tectorial membrane — membrane in the inner ear that covers the organ of Corti
television cabinet — a cabinet on which a television set is placed or in which it is encased
the bird has flown — the person in question has fled or escaped
the black mountain — a mountain range in S Wales, in E Carmarthenshire and W Powys. Highest peak: Carmarthen Van, 802 m (2632 ft)
thermonuclear bomb — hydrogen bomb.
to bare one's soul — If you bare your soul, you tell someone your most secret thoughts and feelings.
to spill the beans — If you spill the beans, you tell someone something that people have been trying to keep secret.
treaty obligations — obligations or duties that must be carried out by a party as according to a treaty they have entered into
trobriand islander — a native or inhabitant of the Trobriand Islands of Papua New Guinea

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