18-letter words containing a, b, l, e, r
- personal bodyguard — a person employed to protect a particular person
- pileolated warbler — either of two western subspecies of Wilson's warbler.
- play silly buggers — to fool around and waste time
- plumber's merchant — a shop or business that sells things needed for the job of installing and repairing pipes, fixtures, etc, for water, drainage, and gas
- point-bearing pile — a pile depending on the soil or rock beneath its foot for support.
- 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 crab apple — a tree, Malus ioensis, of the rose family, native to the central U.S., having downy branchlets, white or rose-tinted flowers, and round, waxy, greenish fruit.
- precipitable water — the total water vapor contained in a unit vertical column of the atmosphere.
- 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.
- probability theory — the theory of analyzing and making statements concerning the probability of the occurrence of uncertain events. Compare probability (def 4).
- 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
- rabbit-foot clover — a plant, Trifolium arvense, having trifoliate leaves with narrow leaflets and fuzzy, cylindrical, grayish-pink flower heads.
- range of stability — the angle to the perpendicular through which a vessel may be heeled without losing the ability to right itself.
- reggio di calabria — a seaport in S Italy, on the Strait of Messina: almost totally destroyed by an earthquake 1908.
- 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.
- rheims-douay bible — Douay Bible.
- richard p. gabriel — Richard Gabriel
- rosebay willowherb — a perennial onagraceous plant, Chamerion (formerly Epilobium) angustifolium, that has spikes of deep pink flowers and is widespread in open places throughout N temperate regions
- rr lyrae variables — any of the very regular, short-period, pulsating variable stars having periods between 1.5 and 29 hours
- schofield barracks — a town on central Oahu, in central Hawaii.
- selective abortion — the aborting of particular embryos for medical or social reasons
- separate but equal — pertaining to a racial policy, formerly practiced in some parts of the United States, by which black people could be segregated if granted equal opportunities and facilities, as for education, transportation, or jobs.
- september holidays — a period of time in September when people do not have to go to school, college or work
- sierra blanca peak — a mountain in S New Mexico: highest peak in the Sacramento Mountains. 11,997 feet (3651 meters).
- 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.
- software backplane — (programming, tool) A CASE framework from Atherton.
- stationary bicycle — an exercise bike
- subatomic particle — physics:
- 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.
- supraorbital ridge — browridge.
- talk a blue streak — speak rapidly and incessantly
- tectorial membrane — membrane in the inner ear that covers the organ of Corti
- the bird has flown — the person in question has fled or escaped
- the general public — the people in a society; people in general
- the-master-builder — a play (1892) by Ibsen.
- thermonuclear bomb — hydrogen bomb.
- timber rattlesnake — a rattlesnake, Crotalus horridus horridus, of the eastern U.S., usually having the body marked with dark crossbands.
- to bare one's soul — If you bare your soul, you tell someone your most secret thoughts and feelings.
- too clever by half — If someone is too clever by half, they are very clever and they show their cleverness in a way that annoys other people.
- travelling library — a mobile library in which a vehicle such as a van delivers books to be borrowed
- 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
- turbine ventilator — a ventilator, usually mounted on the roof of a building, deck of a ship, etc., having at its head a globular, vaned rotor that is rotated by the wind, conveying air through a duct to and from a chamber below.
- universal debugger — (tool, parallel) (udb) KSR's interactive source level debugger for serial and parallel programs written in KSR, Fortran, KSR C and KSR1 assembly language. Udb is a source level debugger for testing and debugging serial and parallel programs; it is compatible with GDB and dbx. The user can direct udb either by typing commands or graphically through an X-based window interface; the latter provides simultaneous display of source code, I/O and instructions. For parallel programs, operations can be carried out per-thread.
- universalizability — the thesis that any moral judgment must be equally applicable to every relevantly identical situation
- vitelline membrane — the membrane surrounding the egg yolk.
- women's liberation — a movement to combat sexual discrimination and to gain full legal, economic, vocational, educational, and social rights and opportunities for women, equal to those of men.