19-letter words containing r, s, f, l
- elastic deformation — In elastic deformation a material changes shape when a stress is applied to it but goes back to its original state when the stress is removed.
- electrostatic field — an electric field associated with static electric charges
- estate of the realm — an order or class of persons in a political community, regarded collectively as a part of the body politic: usually regarded as being the lords temporal (peers), lords spiritual, and commons
- farnesyltransferase — One of the three enzymes in the prenyltransferase group, believed to play an important role in development of progeria and various cancers.
- fault tree analysis — (programming) A form of safety analysis that assesses hardware safety to provide failure statistics and sensitivity analyses that indicate the possible effect of critical failures.
- feel strongly about — to have decided opinions concerning
- fellow-servant rule — the common-law rule that the employer is not liable to an employee for injuries resulting from the negligence of a fellow employee.
- female circumcision — clitoridectomy.
- female impersonator — a male performer who dresses as and impersonates women.
- finger on the pulse — If you have your finger on the pulse of something, you know all the latest opinions or developments concerning it.
- first international — a socialistic organization (1864–76) formed to unite and promote the interests of workers throughout the world. Compare international (def 6).
- first law of motion — any of three laws of classical mechanics, either the law that a body remains at rest or in motion with a constant velocity unless an external force acts on the body (first law of motion) the law that the sum of the forces acting on a body is equal to the product of the mass of the body and the acceleration produced by the forces, with motion in the direction of the resultant of the forces (second law of motion) or the law that for every force acting on a body, the body exerts a force having equal magnitude and the opposite direction along the same line of action as the original force (third law of motion or law of action and reaction)
- first person plural — a grammatical category of pronouns and verbs used by the speaker to refer to or talk about himself together with others
- first world problem — a fairly minor problem, frustrating situation, or complaint associated with a relatively high standard of living, as opposed to the more serious problems associated with poverty: I’m bored with all my electronic gadgets—such a first world problem!
- first-sale doctrine — a legal principle allowing the purchaser of a lawfully made copy of a copyright-protected work to sell or give away that copy without permission but not to reproduce it.
- flame-of-the-forest — a leguminous tree, Butea frondosa, native to E India and Myanmar, having hanging clusters of scarlet flowers
- flannelmouth sucker — a sucker, Catostomus latipinnis, of the Colorado River and its tributaries.
- floating restaurant — a boat or ship that has been converted for use as a restaurant
- floppy (disk) drive — the controller and mechanism for reading and writing data on floppy disks
- flowering raspberry — a shrub, Rubus ordoratus, of eastern North America, having loose clusters of showy purplish or rose-purple flowers and inedible, dry, red fruit.
- fluophosphoric acid — fluorophosphoric acid.
- fluoride toothpaste — toothpaste containing a small amount of fluoride as protection against tooth decay
- focal plane shutter — an opaque shield in a camera, lying in the focal plane of the lens, that, when tripped, admits light to expose the film or plate for a predetermined period, usually a fraction of a second
- focal-plane shutter — a camera shutter situated directly in front of the film.
- for all it is worth — If someone does something for all it is worth, they do it as much as possible and for as long as they can get benefit from it.
- for all sb is worth — If you do something for all you are worth, you do it with a lot of energy and enthusiasm.
- foregone conclusion — an inevitable conclusion or result.
- four eyes principle — the requirement that a business transaction be approved by at least two individuals
- fractal compression — (algorithm) A technique for encoding images using fractals.
- fraternal insurance — insurance underwritten by a fraternal society, under either a legal reserve plan or an assessment plan.
- free alongside quay — (of a shipment of goods) delivered to the quay without charge to the buyer
- free alongside ship — (of a shipment of goods) delivered to the dock without charge to the buyer, but excluding the cost of loading onto the vessel
- from pillar to post — an upright shaft or structure, of stone, brick, or other material, relatively slender in proportion to its height, and of any shape in section, used as a building support, or standing alone, as for a monument: Gothic pillars; a pillar to commemorate Columbus.
- general post office — (in the U.S. postal system) the main post office of a city, county, etc., that also has branch post offices. Abbreviation: G.P.O., GPO.
- grandfather's clock — a pendulum floor clock having a case as tall as or taller than a person; tall-case clock; long-case clock.
- greenhouse whitefly — See under whitefly.
- health professional — a person trained to work in any field of physical or mental health.
- helsinki conference — Conference on Security and Cooperation in Europe.
- hold no terrors for — If something holds no terrors for you, you are not at all frightened or worried by it.
- house of councilors — the upper house of the Japanese diet.
- house of ill repute — a house of prostitution; whorehouse; brothel.
- 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.
- 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
- interfacial tension — the surface tension at the interface of two liquids.
- isidorus of miletus — flourished 6th century a.d, Byzantine engineer. He was one of the architects of Hagia Sophia; (originally an Orthodox cathedral and currently a museum in Istanbul, Turkey).
- 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.