16-letter words containing s, a, f, r, o
- distrito federal — Federal District. Abbreviation: D.F.
- diversifications — Plural form of diversification.
- drift transistor — a transistor in which the impurity concentration in the base increases from the collector-base junction to the emitter-base junction, producing a resistivity gradient that greatly increases its high-frequency response
- east coast fever — a disease of cattle, endemic in east and central Africa, caused by a parasite, Theileria parva, that is carried by ticks
- edsel ford range — a mountain range in Antarctica, E of the Ross Sea.
- electronic flash — Photography
- extrinsic factor — vitamin B12
- factor of safety — the ratio of the maximum stress that a structural part or other piece of material can withstand to the maximum stress estimated for it in the use for which it is designed.
- false beechdrops — either of two parasitic or saprophytic plants of the genus Monotropa, especially the tawny or reddish M. hypopithys (false beechdrops) of eastern North America.
- false dragonhead — a North American plant, Physostegia virginiana, of the mint family, having a spike of tubular, two-lipped, pink or white flowers.
- family of curves — a collection of curves whose equations differ only by values assigned a parameter or parameters.
- farewell to arms — a novel (1929) by Ernest Hemingway.
- farmhouse cheese — cheese that is made by traditional methods, on or as if on a farm
- farmington hills — a city in SE Michigan.
- fashion designer — creator of clothing designs
- fashion industry — the industry that deals with the world of fashion
- father confessor — confessor (def 2).
- father-surrogate — a male who replaces an absent father and becomes an object of attachment.
- feel constrained — If you feel constrained to do something, you feel that you must do it, even though you would prefer not to.
- fellow passenger — a person travelling on the same vehicle, plane, ship etc as you
- feme-sole trader — a married woman who is entitled to carry on business on her own account and responsibility, independently of her husband.
- 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, . . .
- 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 generation — 1. (architecture) first generation computer. 2. (language) first generation language.
- 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 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
- flabbergastation — (colloquial) Bewildered shock or surprise; the state or condition of being flabbergasted.
- 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
- 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