21-letter words containing n, a, c, r

forward exchange rate — the exchange rate of a currency to be delivered at a later date
fractional extraction — Fractional extraction is a process of extracting a liquid from a liquid, in which two solutes are separated, with one leaving in the extract and one in the raffinate.
framing specification — A specification of the "protocol bits" that surround the "data bits" on a communications channel to allow the data to be "framed" into chunks, like start and stop bits in EIA-232. It allows a receiver to synchronize at points along the data stream.
franco-belgian system — French system.
fraudulent conversion — conversion committed with the intent to defraud
french and indian war — the war in America in which France and its Indian allies opposed England 1754–60: ended by Treaty of Paris in 1763.
french fried potatoes — a more formal name for chips
full faith and credit — the obligation under Article IV of the U.S. Constitution for each state to recognize the public acts, records, and judicial proceedings of every other state.
fuming sulphuric acid — a mixture of pyrosulphuric acid, H2S2O7, and other condensed acids, made by dissolving sulphur trioxide in concentrated sulphuric acid
functional illiterate — a person with some basic education who still falls short of a minimum standard of literacy or whose reading and writing skills are inadequate to everyday needs.
functional imperative — a requirement for the survival of any social system, as communication, control of conflict, or socialization.
fundamental frequency — the lowest frequency at which a medium will freely oscillate.
garden of remembrance — an area of land containing cultivated plants, trees, etc, to commemorate the dead
gas analysis recorder — A gas analysis recorder is a device which samples, records, and analyses gas.
gastrohepatic omentum — lesser omentum.
general court-martial — a court-martial having the authority to try any offense against military law and to impose a sentence of dishonorable discharge or of death when provided by law.
generic type variable — (programming) (Also known as a "schematic type variable"). Different occurrences of a generic type variable in a type expression may be instantiated to different types. Thus, in the expression let id x = x in (id True, id 1) id's type is (for all a: a -> a). The universal quantifier "for all a:" means that a is a generic type variable. For the two uses of id, a is instantiated to Bool and Int. Compare this with let id x = x in let f g = (g True, g 1) in f id This looks similar but f has no legal Hindley-Milner type. If we say f :: (a -> b) -> (b, b) this would permit g's type to be any instance of (a -> b) rather than requiring it to be at least as general as (a -> b). Furthermore, it constrains both instances of g to have the same result type whereas they do not. The type variables a and b in the above are implicitly quantified at the top level: f :: for all a: for all b: (a -> b) -> (b, b) so instantiating them (removing the quantifiers) can only be done once, at the top level. To correctly describe the type of f requires that they be locally quantified: f :: ((for all a: a) -> (for all b: b)) -> (c, d) which means that each time g is applied, a and b may be instantiated differently. f's actual argument must have a type at least as general as ((for all a: a) -> (for all b: b)), and may not be some less general instance of this type. Type variables c and d are still implicitly quantified at the top level and, now that g's result type is a generic type variable, any types chosen for c and d are guaranteed to be instances of it. This type for f does not express the fact that b only needs to be at least as general as the types c and d. For example, if c and d were both Bool then any function of type (for all a: a -> Bool) would be a suitable argument to f but it would not match the above type for f.
get one's breath back — When you get your breath back after doing something energetic, you start breathing normally again.
glacier national park — a national park in NW Montana: glaciers; lakes; forest reserve. 1534 sq. mi. (3970 sq. km).
goldbach's conjecture — the conjecture that every even number greater than two is the sum of two prime numbers
grammatical inference — Deducing a grammar from given examples. Also known as "inductive inference" and recently as "computational learning".
green river ordinance — a local ordinance banning door-to-door selling.
greenwich observatory — the national astronomical observatory of Great Britain, housed in a castle in E Sussex; formerly located at Greenwich.
ground-effect machine — ACV (def 2).
guaranteed scheduling — (algorithm) A scheduling algorithm used in multitasking operating systems that guarantees fairness by monitoring the amount of CPU time spent by each user and allocating resources accordingly.
have a strong stomach — not to be prone to nausea
have one's cards read — If you have your cards read, you have your fortune told by someone who uses playing cards or tarot cards to tell you about yourself and predict your future.
have the inside track — If you say that someone has the inside track, you mean that they have an advantage, for example special knowledge about something.
hawaiian honeycreeper — any small to medium-sized finches of the subfamily Drepanidinae, native to the Hawaiian Islands and including many rare and extinct species.
hay-pauncefote treaty — an agreement (1901) between the U.S. and Great Britain giving the U.S. the sole right to build a canal across Central America connecting the Atlantic and Pacific.
hazard warning device — an appliance fitted to a motor vehicle that operates the hazard lights
heliocentric parallax — the apparent displacement of an observed object due to a change in the position of the observer.
henry steele commager — Henry Steele, 1902–98, U.S. historian, author, and teacher.
hexachlorocyclohexane — (chemistry) A six-chlorine substituted cyclohexane, a polyhalogenated compound used in pesticides.
highest common factor — greatest common divisor. Abbreviation: H.C.F.
hindu-arabic numerals — Arabic numeral.
horns and halo effect — a tendency to allow one's judgement of another person, esp in a job interview, to be unduly influenced by an unfavourable (horns) or favourable (halo) first impression based on appearances
human rights activist — a person who campaigns for human rights
identical proposition — a proposition in which the subject and predicate have the same meaning, as, “That which is mortal is not immortal.”.
identification papers — documents that serve to establish someone's identity
identification parade — a group of persons including one suspected of having committed a crime assembled for the purpose of discovering whether a witness can identify the suspect
in (or out of) place — in (or out of) the customary, proper, or assigned place
in co-ordination with — If you do something in co-ordination with someone else, you both organize your activities so that you work together efficiently.
in good circumstances — (of a person) in a good financial situation
in no uncertain terms — If you say that someone tells a person something in no uncertain terms, you are emphasizing that they say it strongly and clearly so that there is no doubt about what they mean.
in saecula saeculorum — for ever and ever.
in the first instance — You say in the first instance to mention something that is the first step in a series of actions.
indicated horse-power — the horsepower of a reciprocating engine as shown by an indicator record. Abbreviation: ihp, IHP.
induced radioactivity — artificial radioactivity.
industrial misconduct — behaviour by an employee that is considered to be negligent or irregular to such an extent that disciplinary action may be taken, usually by agreement between management and the employee's representatives

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