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

  • on the back burner — low priority
  • one's heart bleeds — used to express sympathetic grief, but often used ironically
  • optical brightener — an additive that dyes and brightens fabric or paper
  • oriental alabaster — alabaster (def 2).
  • 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.
  • protease inhibitor — a drug that inhibits the action of protease, especially any of a class of antiviral drugs that prevent the cleavage and replication of HIV proteins.
  • 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
  • put a bold face on — to seem bold or confident about
  • rabbit's-foot fern — hare's-foot fern.
  • rabbit-proof fence — a fence through which rabbits are unable to pass
  • radiocarbon dating — the determination of the age of objects of organic origin by measurement of the radioactivity of their carbon content.
  • 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.
  • remains to be seen — If you say that it remains to be seen whether something will happen, you mean that nobody knows whether it will happen.
  • reverberation time — the time it takes for a sound made in a room to diminish by 60 decibels.
  • saint john's bread — carob (def 2).
  • saturation bombing — intense area bombing intended to destroy everything in the target area.
  • 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
  • shorthand notebook — a notebook used by a shorthand writer
  • 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.
  • small pastern bone — the part of the foot of a horse, cow, etc., between the fetlock and the hoof.
  • sodium bicarbonate — a white, crystalline, water-soluble solid, in powder or granules, NaHCO 3 , usually prepared by the reaction of soda ash with carbon dioxide or obtained from the intermediate product of the Solvay process by purification: used chiefly in the manufacture of sodium salts, baking powder, and beverages, as a laboratory reagent, as a fire extinguisher, and in medicine as an antacid.
  • 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
  • stand-by generator — an electrical system which operates automatically in case the usual system malfunctions
  • stationary bicycle — an exercise bike
  • stroustrup, bjarne — Bjarne Stroustrup
  • 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.
  • take a shine to sb — If you say that someone has taken a shine to another person, you mean that he or she liked them very much at their first meeting.
  • 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 back of beyond — a very remote place
  • 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)
  • the queen of sheba — a queen of the Sabeans, who visited Solomon (I Kings 10:1–13)
  • thermonuclear bomb — hydrogen bomb.
  • to bare one's soul — If you bare your soul, you tell someone your most secret thoughts and feelings.
  • to be above ground — to be alive
  • to be on the radar — to be noticed or important
  • to bear witness to — If a person or thing bears witness to something, they show or say that it exists or happened.
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