18-letter words containing p, a, b, o
- dominican republic — a republic in the West Indies, occupying the E part of the island of Hispaniola. 19,129 sq. mi. (49,545 sq. km). Capital: Santo Domingo.
- double-page spread — two pages treated as one in a publication, with images or text extending across the binding
- elizabeth petrovna — 1709-62; empress of Russia (1741-62): daughter of Peter I
- escape sb's notice — If something escapes your notice, you fail to recognize it or realize it.
- fall-back position — an alternative plan
- farmer-labor party — a political party in Minnesota, founded in 1920 and merged with the Democratic Party in 1944.
- football supporter — a person who supports a particular football team
- forward compatible — forward compatibility
- great pastern bone — the part of the foot of a horse, cow, etc., between the fetlock and the hoof.
- hamilton's problem — Hamiltonian problem
- happy as a sandboy — very happy; high-spirited
- hermaphrodite brig — a two-masted sailing vessel, square-rigged on the foremast and fore-and-aft-rigged on the mainmast.
- hexachlorobiphenyl — (organic compound) Either of forty-two isomers of the polychlorinated biphenyl containing six chlorine atoms.
- histocompatibility — the condition of having antigenic similarities such that cells or tissues transplanted from one (the donor) to another (the recipient) are not rejected.
- impressionableness — The quality of being impressionable.
- in all probability — the quality or fact of being probable.
- in company with sb — If you feel, believe, or know something in company with someone else, you both feel, believe, or know it.
- in good/bad repair — If something such as a building is in good repair, it is in good condition. If it is in bad repair, it is in bad condition.
- input/output table — a table of all the inputs and outputs of the industries of an economy
- irreproachableness — The quality or state of being irreproachable; integrity; innocence.
- kakorrhaphiophobia — (rare) the fear of failure or defeat.
- logically possible — capable of being described without self-contradiction
- lubber grasshopper — plains grasshopper.
- membrane transport — the process by which physiologically important substances, such as calcium ions, sugars, etc, are conveyed across a biological membrane
- mordovian republic — a constituent republic of W central Russia, in the middle Volga basin. Capital: Saransk. Pop: 888 700 (2002). Area: 26 200 sq km (10 110 sq miles)
- motor torpedo boat — PT boat.
- napoleon bonaparte — Jérôme [juh-rohm;; French zhey-rohm] /dʒəˈroʊm;; French ʒeɪˈroʊm/ (Show IPA), 1784–1860, king of Westphalia 1807 (brother of Napoleon I).
- 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.
- nonachlorobiphenyl — (organic compound) Either of three isomers of the polychlorinated biphenyl containing nine chlorine atoms.
- oblique-slip fault — a fault on which the movement is along both the strike and the dip of the fault
- octachlorobiphenyl — (organic compound) Either of twelve isomers of the polychlorinated biphenyl containing eight chlorine atoms.
- 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.
- open pandora's box — If someone or something opens Pandora's box or opens a Pandora's box, they do something that causes a lot of problems to appear that did not exist or were not known about before.
- optical brightener — an additive that dyes and brightens fabric or paper
- passive vocabulary — all the words, collectively, that a person can understand
- personal bodyguard — a person employed to protect a particular person
- pileolated warbler — either of two western subspecies of Wilson's warbler.
- point-bearing pile — a pile depending on the soil or rock beneath its foot for support.
- political football — a political issue that is continually debated but has not yet been resolved
- 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.
- prairie wake-robin — a woodland trillium, Trillium recurvatum, of the central U.S., having purple-mottled leaves and brown-purple flowers.
- 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.
- price on sb's head — If there is a price on someone 's head, an amount of money has been offered for the capture or killing of that person.
- probability theory — the theory of analyzing and making statements concerning the probability of the occurrence of uncertain events. Compare probability (def 4).
- 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.
- provably difficult — The set or property of problems for which it can be proven that no polynomial-time algorithm exists, only exponential-time algorithms.
- 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