19-letter words containing a, l, f, r, n
- hexafluoroplatinate — (chemistry) The univalent anion PtF6- prepared by reacting platinum hexafluoride with certain metals or other elements.
- hildegard of bingen — Hildegard von (Hildegard of Bingen"Sibyl of the Rhine") 1098–1178, German nun, healer, writer, and composer.
- hyperfocal distance — the distance, at a given f number, between a camera lens and the nearest point (hyperfocal point) having satisfactory definition when focused at infinity.
- imperial preference — a proposed system whereby free trade and levelled tariffs would exist between nations belonging to the British Commonwealth, in order to increase the prosperity of and unity between these nation
- incomplete fracture — a fracture extending partly across the bone.
- indefinite integral — a representation, usually in symbolic form, of any function whose derivative is a given function.
- infantile paralysis — poliomyelitis.
- inflationary spiral — Geometry. a plane curve generated by a point moving around a fixed point while constantly receding from or approaching it.
- informal settlement — a squatter camp
- information algebra — Theoretical formalism for DP, never resulted in a language. Language Structure Group of CODASYL, ca. 1962. Sammet 1969, 709.
- inglenook fireplace — a large fireplace with a space on either side
- interfacial tension — the surface tension at the interface of two liquids.
- interferometrically — By means of interferometry.
- islet of langerhans — any of several masses of endocrine cells in the pancreas that secrete insulin, somatostatin, and glucagon.
- italian east africa — a former Italian territory in E Africa, formed in 1936 by the merging of Eritrea and Italian Somaliland with newly conquered Ethiopia: taken by the British Imperial forces 1941.
- jacques montgolfier — Jacques Étienne [zhahk ey-tyen] /ʒɑk eɪˈtyɛn/ (Show IPA), 1745–99, and his brother Joseph Michel [zhaw-zef mee-shel] /ʒɔˈzɛf miˈʃɛl/ (Show IPA) 1740–1810, French aeronauts: inventors of the first practical balloon 1783.
- judicial conference — a conference of judges held to discuss improvements in methods or judicial procedure through court rules or otherwise.
- kingdom of lorraine — an early medieval kingdom on the Meuse, Moselle, and Rhine rivers: later a duchy
- lagrangian function — kinetic potential.
- land of opportunity — Arkansas (used as a nickname).
- landrum-griffin act — an act of Congress (1959) outlawing secondary boycotts, requiring public disclosure of the financial records of unions, and guaranteeing the use of secret ballots in union voting.
- lay one's finger on — to indicate, identify, or locate accurately
- leading aircraftman — the rank above aircraftman
- library of congress — one of the major library collections in the world, located in Washington, D.C., and functioning in some ways as the national library of the U.S. although not officially designated as such: established by Congress in 1800 for service to its members, but now also serving government agencies, other libraries, and the public.
- lift the curtain on — to begin
- line of demarcation — a separation between things deemed to be distinct
- load-bearing printf — (programming, humour) The kind of bug present in a program which works correctly when producing debug output but fails when the debugging is turned off. The expression combines load-bearing wall and printf as used in debugging by printf.
- lymphoproliferation — (medicine) the excessive production of lymphocytes.
- lyon office of arms — Heralds' Office.
- mail transfer agent — Message Transfer Agent
- make oneself scarce — insufficient to satisfy the need or demand; not abundant: Meat and butter were scarce during the war.
- manufacturing plant — factory
- mary wollstonecraft — Mary (Mary Wollstonecraft Godwin) 1759–97, English author and feminist (mother of Mary Shelley).
- negation by failure — An extralogical feature of Prolog and other logic programming languages in which failure of unification is treated as establishing the negation of a relation. For example, if Ronald Reagan is not in our database and we asked if he was an American, Prolog would answer "no".
- non-confrontational — tending toward or ready for confrontation: They came to the meeting with a confrontational attitude.
- non-transferability — to convey or remove from one place, person, etc., to another: He transferred the package from one hand to the other.
- nonforfeiture value — any benefit, as cash or other form of insurance, available to a life-insurance policyholder who discontinues premium payments on the policy.
- nordrhein-westfalen — German name of North Rhine-Westphalia.
- norfolk island pine — a coniferous evergreen tree, Araucaria heterophylla (or A. excelsa), having whorled branches and needlelike foliage, widely cultivated as a houseplant.
- orange flower water — a distilled infusion of orange blossom, used in cakes, confectionery, etc
- oriental fruit moth — a moth, Grapholitha molesta, introduced into the U.S. from Asia, the larvae of which infest and feed on the twigs and fruits of peach, plum, and related trees.
- parainfluenza virus — any of a group of viruses that cause respiratory infections with influenza-like symptoms, esp in children
- persian gulf states — group of Arab sheikdoms along the Persian Gulf: Kuwait, Bahrain, Qatar, & United Arab Emirates
- personal watercraft — a jet-propelled boat ridden like a motorcycle.
- plastic deformation — In plastic deformation a material changes shape when a stress is applied to it and does not go back to its original state when the stress is removed.
- post-and-rail fence — a fence constructed of upright wooden posts with horizontal timber slotted through it
- preferential voting — a system of voting designed to permit the voter to indicate an order of preference for the candidates on the ballot.
- pride-of-california — a shrubby plant, Lathyrus splendens, of the legume family, native to southern California, having showy clusters of pale rose-pink, violet, or magenta flowers and large, smooth, beaked pods.
- production platform — offshore power station
- professional advice — advice given by someone trained in a particular and relevant profession or job