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18-letter words containing b, a, t, c

  • incommensurability — not commensurable; having no common basis, measure, or standard of comparison.
  • incremental backup — (operating system)   A kind of backup that copies all files which have changed since the date of the previous backup. The first backup of a file system should include all files - a "full backup". Call this level 0. The next backup could also be a full level 0 backup but it is usually much quicker to do a level 1 backup which will include only those files which have changed since the level 0 backup. Together the level 0 and level 1 backups will include the latest version of every file. Level 1 backups can be made until, say, the backup tape is nearly full, after which we can switch to level 2. Each level includes those files which have changed since the last backup at a lower level. The more levels you use, the longer it will take to restore the latest version of a file (or all files) if you don't know when it was last modified. Compare differential backup.
  • indecent behaviour — the offence of committing indecent acts
  • indolebutyric acid — a white or yellowish, crystalline, water-insoluble powder, C 12 H 13 O 2 N, a plant hormone similar to indoleacetic acid and used for the same purposes.
  • intensional object — the object of a propositional attitude that may or may not exist, as in Robert is dreaming of the pot of gold at the end of the rainbow. This must be an intensional (or opaque) context, for otherwise, since there is no pot of gold, Robert would be dreaming of nothing
  • interchangeability — (of two things) capable of being put or used in the place of each other: interchangeable symbols.
  • ionization chamber — a device for detecting and measuring ionizing radiation, consisting of a tube containing a low pressure gas and two electrodes between which a high voltage is maintained. The current between the electrodes is a function of the intensity of the radiation
  • jacobite rebellion — the unsuccessful Jacobite rising of 1715 led by James Francis Edward Stuart
  • job classification — an arrangement of different types of employment within a company or industry, according to the skill, experience, or training required.
  • kentucky bluegrass — a grass, Poa pratensis, of the Mississippi valley, used for pasturage and lawns.
  • knotted cranesbill — a British wildflower, Geranium nodosum, an meadow geranium with bright pink or purple flowers
  • labeled bracketing — a representation of the constituent structure of a string, as a word or sentence, comparable to a tree diagram, in which each constituent is shown in brackets and given a subscript grammatical label, with each bracketed item corresponding to a node in a tree diagram.
  • lambda abstraction — A term in lambda-calculus denoting a function. A lambda abstraction begins with a lower-case lambda (represented as "\" in this document), followed by a variable name (the "bound variable"), a full stop and a lambda expression (the body). The body is taken to extend as far to the right as possible so, for example an expression, \ x . \ y . x+y is read as \ x . (\ y . x+y). A nested abstraction such as this is often abbreviated to: \ x y . x + y The lambda expression (\ v . E) denotes a function which takes an argument and returns the term E with all free occurrences of v replaced by the actual argument. Application is represented by juxtaposition so (\ x . x) 42 represents the identity function applied to the constant 42. A lambda abstraction in Lisp is written as the symbol lambda, a list of zero or more variable names and a list of zero or more terms, e.g. (lambda (x y) (plus x y)) Lambda expressions in Haskell are written as a backslash, "\", one or more patterns (e.g. variable names), "->" and an expression, e.g. \ x -> x.
  • lambeth conference — a convention of the bishops of the Anglican communion, held about every 10 years at Lambeth Palace to confer but not to define doctrine or to legislate on ecclesiastical matters.
  • leatherback turtle — a sea turtle, Dermochelys coriacea, having the shell embedded in a leathery skin, reaching a length of more than 7 feet (2.1 meter) and a weight of more than 1000 pounds (450 kg): the largest living sea turtle; an endangered species.
  • legislative branch — the branch of government having the power to make laws; the legislature.
  • lincoln's birthday — February 12, a legal holiday in some states of the U.S., in honor of the birth of Abraham Lincoln.
  • linear combination — a sum of products of each quantity times a constant: The expression aX + bY + cZ is a linear combination of X, Y, and Z, where a, b, and c are constants.
  • lonely hearts club — a club for people who are trying to find a lover or a friend
  • macroinvertebrates — Plural form of macroinvertebrate.
  • manufacturing base — the manufacturing industries of an area or a country considered as a unit and a constituent part of the economy
  • master boot record — (operating system, storage)   A special area on a computer's main hard disk that gives the location of the disk's boot block or bootable partition where the operating system is installed.
  • metabolic syndrome — Pathology. a group of medical conditions present simultaneously in a patient, as high blood pressure, low HDL cholesterol levels, and an excess of abdominal fat, that increases a person's risk of heart disease, stroke, and diabetes. Also called insulin resistance syndrome.
  • microinvertebrates — Plural form of microinvertebrate.
  • mobility allowance — an allowance paid by the government to help people who have limited mobility
  • mountain cranberry — cowberry
  • moving bed reactor — A moving bed reactor is a reactor in which a layer of catalyst in the form of granules is moved between a reaction area and a regeneration area.
  • multicast backbone — (MBONE) A virtual network on top of the Internet which supports routing of IP multicast packets, intended for multimedia transmission. MBONE gives public access desktop video communications. The quality is poor with only 3-5 frames per second instead of the 30 frames per second of commercial television. Its advantage is that it avoids all telecommunications costs normally associated with teleconferencing. An interesting innovation is the use of MBONE for audio communications and an electronic "whiteboard" where the computer screen becomes a shared workspace where two physically remote parties can draw on and edit shared documents in real-time.
  • natural childbirth — childbirth involving little or no use of drugs or anesthesia and usually involving a program in which the mother is psychologically and physically prepared for the birth process.
  • neighborhood watch — a neighborhood surveillance program or group in which residents keep watch over one another's houses, patrol the streets, etc., in an attempt to prevent crime.
  • neural tube defect — any of a group of congenital abnormalities involving the brain and spinal cord, including spina bifida and meningocele, caused by failure of the neural tube to close properly during embryonic development.
  • 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.
  • noninterchangeable — That cannot be interchanged with another.
  • nuclear capability — If a country has nuclear capability, it is able to produce nuclear power and usually nuclear weapons.
  • obedience training — the training of an animal, especially a dog, to obey certain commands.
  • object-orientation — object-oriented
  • objective idealism — a form of idealism asserting that the act of experiencing has a reality combining and transcending the natures of the object experienced and of the mind of the observer.
  • objective modula-2 — (language)   (Or "ObjM2") An extension to Modula-2 for Cocoa and GNUstep software development. Objective Modula-2 follows the Objective-C object model and retains the bracketed Smalltalk message passing syntax used in Objective-C. Classes written in ObjM2 can be used within ObjC and vice versa. ObjM2 also retains Modula-2's data encapsulation features, namely nested modules with explicit import and export lists. Due to the strict type checking in Modula-2, ObjM2 can be considered a much safer programming language than is ObjC, yet losing none of the capabilities of ObjC.
  • octachlorobiphenyl — (organic compound) Either of twelve isomers of the polychlorinated biphenyl containing eight chlorine atoms.
  • on the back burner — low priority
  • optical brightener — an additive that dyes and brightens fabric or paper
  • play catch-up ball — to adjust one's style of play so as to make up for a lack of points, runs, etc.
  • 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
  • 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.
  • precipitable water — the total water vapor contained in a unit vertical column of the atmosphere.
  • 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
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