16-letter words containing f, a, r, s
- feme-sole trader — a married woman who is entitled to carry on business on her own account and responsibility, independently of her husband.
- feminine caesura — a caesura occurring immediately after an unstressed or short syllable.
- ferdinand marcos — Ferdinand E(dralin) [ed-ruh-lin] /ˈɛd rə lɪn/ (Show IPA), 1917–1989, Philippine political leader: president 1965–86.
- fermat's theorem — the theorem that an integer raised to a prime power leaves the same remainder as the integer itself when divided by the prime.
- ferrous sulphate — an iron salt with a saline taste, usually obtained as greenish crystals of the heptahydrate, which are converted to the white monohydrate above 100°C: used in inks, tanning, water purification, and in the treatment of anaemia. Formula: FeSO4
- fibonacci series — a sequence of integers in which each integer (Fibonacci number) after the second is the sum of the two preceding integers; specif., the series 1, 1, 2, 3, 5, 8, 13, . . .
- filterable virus — a virus particle small enough to pass through a filter of diatomaceous earth or porcelain, which will not pass bacteria: chiefly historical or an informal indicator of size, as synthetic membrane filters now permit passage of the smallest virus.
- finance minister — a member of a government in charge of the financial affairs of a state etc
- fingertip search — When the police carry out a fingertip search of a place, they examine it for evidence in a very detailed way.
- fire regulations — rules intended to make sure that people and property stay safe in the event of a fire
- firework display — a public event at which fireworks are set alight
- first balkan war — Balkan War (def 1).
- first derivative — the derivative of a function: Velocity is the first derivative of distance with respect to time.
- first generation — 1. (architecture) first generation computer. 2. (language) first generation language.
- first lieutenant — an officer ranking next above second lieutenant and next below a captain.
- first-aid worker — someone who is trained to give immediate medical help in an emergency
- first-generation — being the first generation of a family to be born in a particular country.
- fish or cut bait — any of various cold-blooded, aquatic vertebrates, having gills, commonly fins, and typically an elongated body covered with scales.
- fisherman's bend — a knot made by taking a round turn on the object to which the rope is to be fastened, passing the end of the rope around the standing part and under the round turn, and securing the end.
- fisherman's knot — a knot for joining two ropes of equal thickness consisting of an overhand knot or double overhand knot by each rope round the other, so that the two knots jam when pulled tight
- fisherman's ring — the signet ring worn by the pope.
- flabbergastation — (colloquial) Bewildered shock or surprise; the state or condition of being flabbergasted.
- flabbergastingly — Surprisingly, astonishingly or amazingly.
- flash eliminator — a device fitted to the muzzle of a firearm to reduce the flash made by the ignited propellant gases
- flashbulb memory — the clear recollections that a person may have of the circumstances associated with a dramatic event
- flat-bed scanner — a type of optical scanner having a flat, stationary surface on which a page is scanned by a moving head.
- flight simulator — a device used in pilot and crew training that provides a cockpit environment and sensations of flight under actual conditions.
- floridean starch — the storage polysaccharide of red algae.
- fluorescent lamp — a tubular electric discharge lamp in which light is produced by the fluorescence of phosphors coating the inside of the tube.
- focused strategy — a business strategy in which an organization divests itself of all but its core activities, using the funds raised to enhance the distinctive abilities that give it an advantage over its rivals
- follicular phase — a stage of the menstrual cycle, from onset of menstruation to ovulation.
- for a good cause — If you say that something is for a good cause, you mean that it is worth doing or giving to because it will help other people, for example by raising money for charity.
- for all sb cares — You can use for all I care to emphasize that it does not matter at all to you what someone does.
- for external use — If medicine is for external use, it is intended to be used only on the outside of your body, and not to be eaten or drunk.
- for good measure — a unit or standard of measurement: weights and measures.
- for pete's sake! — an expression of frustration, exasperation or annoyance
- forbid the banns — to raise an objection to a marriage announced in this way
- forbush decrease — the sudden decrease in the intensity of cosmic rays after an increase in solar activity.
- force one's hand — the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
- forefathers' day — the anniversary of the day (December 21, 1620, in Old Style December 11) on which the Pilgrims landed at Plymouth, Mass. Owing to an error in changing the date from the Old Style to the New, it is generally observed on December 22.
- forswear oneself — to swear falsely; perjure oneself
- fort sam houston — a military reservation and U.S. Army training center in San Antonio, Tex.
- forward analysis — An analysis which determines properties of the output of a program from properties of the inputs.
- founders' shares — shares awarded to the founders of a company and often granting special privileges
- four-course meal — A four-course meal is a meal that consists of four parts served one after the other.
- four-dimensional — of a space having points, or a set having elements, which require four coordinates for their unique determination.
- four-masted brig — jackass bark (def 2).
- four-star petrol — petrol containing lead, formerly sold in the UK
- fourier analysis — the expression of any periodic function as a sum of sine and cosine functions, as in an electromagnetic wave function. Compare Fourier series.
- fraises des bois — wild strawberries