19-letter words containing r, e, f, l, t
- electrostatic field — an electric field associated with static electric charges
- entry qualification — the qualifications and conditions required to join an organization, club, etc
- 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
- family practitioner — medical specialization in general practice, requiring training beyond that of general practice and leading to board certification.
- farnesyltransferase — One of the three enzymes in the prenyltransferase group, believed to play an important role in development of progeria and various cancers.
- fault tolerant unix — (operating system) (FTX) Stratus's own Unix System V Release 4 multiprocessor operating system. In 2016, FTX is supported but no longer developed. FTX was one of three operating systems supplied by Stratus on their hardware, the other two, HP-UX and VOS, were the more common choices, FTX was only sold on an exceptional basis. Early FTX 3.x releases used an in-house virtual disk layer (VDL) driver, but later releases switched to a version of Veritas VxVM. FTX supported many of the proprietary communications boards (ISDN, serial, parallel, X.25, etc.).
- 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.
- feather-tail glider — pygmy glider.
- february revolution — Russian Revolution (def 1).
- february-revolution — Also called February Revolution. the uprising in Russia in March, 1917 (February Old Style), in which the Czarist government collapsed and a provisional government was established.
- feel strongly about — to have decided opinions concerning
- fellow countrywoman — a fellow countrywoman is a female citizen of the same state as the person speaking, writing, or being referred to
- 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 impersonator — a male performer who dresses as and impersonates women.
- fertility treatment — the application of any of various methods or procedures to a woman or man to increase the woman's chances of conceiving a baby
- fifth-wheel trailer — a horizontal ring or segment of a ring, consisting of two bands that slide on each other, placed above the front axle of a carriage and designed to support the forepart of the body while allowing it to turn freely in a horizontal plane.
- figurative language — language that contains or uses figures of speech, especially metaphors.
- 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 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.
- flavor of the month — Informal. the subject of intense, usually temporary interest; the current fashion.
- floating restaurant — a boat or ship that has been converted for use as a restaurant
- florida velvet bean — a tropical vine, Mucuna deeringiana, of the legume family, having showy, purple flowers in drooping clusters and black, hairy pods: grown as an ornamental.
- 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.
- follow-up interview — a second interview following an initial interview
- for the life of one — the condition that distinguishes organisms from inorganic objects and dead organisms, being manifested by growth through metabolism, reproduction, and the power of adaptation to environment through changes originating internally.
- four colour theorem — four colour map theorem
- fractal compression — (algorithm) A technique for encoding images using fractals.
- fractional currency — coins or paper money of a smaller denomination than the basic monetary unit.
- fraternal insurance — insurance underwritten by a fraternal society, under either a legal reserve plan or an assessment plan.
- frontier technology — innovative or new technology
- full-wave rectifier — a rectifier that transmits both halves of a cycle of alternating current as a direct current.
- functional currency — Functional currency is the main currency used by a business.
- general of the army — the highest ranking military officer; the next rank above general.
- 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.
- gentile da fabriano — 1370?–1427, Italian painter.
- geraldton waxflower — an evergreen shrub, Chamelaucium uncinatum, native to W Australia, cultivated for its pale pink flowers
- grandfather's clock — a pendulum floor clock having a case as tall as or taller than a person; tall-case clock; long-case clock.
- gravitational field — the attractive effect, considered as extending throughout space, of matter on other matter.
- great wall of china — a system of fortified walls with a roadway along the top, constructed as a defense for China against the nomads of the regions that are now Mongolia and Manchuria: completed in the 3rd century b.c., but later repeatedly modified and rebuilt. 2000 miles (3220 km) long.
- greenhouse whitefly — See under whitefly.
- gulf of carpentaria — a shallow inlet of the Arafura Sea, in N Australia between Arnhem Land and Cape York Peninsula
- half wave rectifier — A half wave rectifier removes the negative component of an alternating signal leaving only the positive part.
- half-wave rectifier — a rectifier that changes only one half of a cycle of alternating current into a pulsating, direct current.