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21-letter words containing f, o, n, s

  • purple-fringed orchis — either of two North American orchids (Habenaria psycodes and H. fimbriata) with purple-fringed flowers
  • radius of convergence — a positive number so related to a given power series that the power series converges for every number whose absolute value is less than this particular number.
  • range of significance — the set of subjects for which a given predicate is intelligible
  • reconnaissance flight — a flight made by an aircraft in order to obtain military information about a particular place
  • roll-on-roll-off ship — a cargo ship or ferry designed so that vehicles can be driven straight on and straight off
  • rutherford scattering — the scattering of an alpha particle through a large angle with respect to the original direction of motion of the particle, caused by an atom (Rutherford atom) with most of the mass and all of the positive electric charge concentrated at a center or nucleus.
  • safe in the knowledge — If you do something safe in the knowledge that something else is the case, you do the first thing confidently because you are sure of the second thing.
  • saint-maur-des-fosses — a town in N central France, near Paris, on the Marne River.
  • sales finance company — a finance company that purchases, at a discount, installment contracts from dealers or that finances retail sales.
  • saponification number — the number of milligrams of potassium hydroxide required to saponify one gram of a given ester, especially a glyceride.
  • satisficing behaviour — the form of behaviour demonstrated by firms who seek satisfactory profits and satisfactory growth rather than maximum profits
  • scarlet monkey flower — any of various plants belonging to the genus Mimulus, of the figwort family, as M. cardinalis (scarlet monkey flower) having spotted flowers that resemble a face.
  • schema definition set — (SDS) Something in Portable Common Tool Environment.
  • school of hard knocks — the experience gained from living, especially from disappointment and hard work, regarded as a means of education: The only school he ever attended was the school of hard knocks.
  • self-characterization — portrayal; description: the actor's characterization of a politician.
  • set the scene for sth — Something that sets the scene for a particular event creates the conditions in which the event is likely to happen.
  • set the world on fire — the earth or globe, considered as a planet.
  • shoot off one's mouth — to hit, wound, damage, kill, or destroy with a missile discharged from a weapon.
  • shoot one's mouth off — to talk indiscreetly
  • sieve of eratosthenes — a method of obtaining prime numbers by sifting out the composite numbers from the set of natural numbers so that only prime numbers remain.
  • silicon tetrafluoride — a colorless, fuming gas, SiF 4 , used chiefly in the manufacture of fluosilicic acid.
  • sing for one's supper — to obtain something by performing a service
  • skeleton at the feast — a person or event that brings gloom or sadness to an occasion of joy or celebration
  • snap one's fingers at — any of the terminal members of the hand, especially one other than the thumb.
  • social stratification — the act or an instance of stratifying.
  • something for nothing — If you say that someone is getting something for nothing, you disapprove of the fact that they are getting what they want without doing or giving anything in return.
  • south pacific current — an ocean current that flows E in the South Pacific Ocean parallel to the Antarctic Circumpolar Current.
  • sovereign wealth fund — an investment fund created using the financial assets of a national government
  • spirits of turpentine — oil of turpentine.
  • stare one in the face — to be glaringly obvious or imminent
  • stations of the cross — a series of 14 crosses, often accompanied by 14 pictures or carvings, arranged in order around the walls of a church, to commemorate 14 supposed stages in Christ's journey to Calvary
  • step-down transformer — a device that transfers an alternating current from one circuit to one or more other circuits with a decrease of voltage
  • sun protection factor — SPF.
  • surface friction drag — the part of the drag on a body moving through a fluid that is dependent on the nature of the surface of the body
  • surface of projection — the surface upon which an image or a set of points is projected.
  • surface of revolution — a surface formed by revolving a plane curve about a given line.
  • surface-to-underwater — (of a missile, message, etc.) traveling from the surface of the earth to a target underwater.
  • sweet spirit of nitre — ethyl nitrite spirit.
  • symphonie fantastique — a programmatic symphony (1830–31) in five movements by Hector Berlioz.
  • synchronized shifting — gear shifting in which the gears to be meshed are made to rotate at the same speed.
  • take off one's hat to — a shaped covering for the head, usually with a crown and brim, especially for wear outdoors.
  • take one's (own) life — to commit suicide
  • take one's finger out — stop delaying or procrastinating
  • take one's hat off to — to salute or congratulate
  • tetrabromofluorescein — eosin (def 1).
  • the acting profession — actors considered as a group
  • the best of the bunch — If you say someone or something is the best of the bunch or the pick of the bunch, you mean they are the best of a group of people or things.
  • the end of one's rope — the end of one's endurance, resources, etc.
  • the microsoft network — (networking)   (MSN) Microsoft's ISP and online content service, launched in October 1996. Not to be confused with Microsoft Networking. MSN was originally based on custom software and protocols, however Microsoft saw the error of their ways and adopted Internet standards. MSN now provides standard WWW and email facilities, albeit with Microsoft's Internet Explorer web-browser and the Outlook Express email software. The service also provides "Community Services" including newsgroups, forums, and chat.
  • the oldest profession — prostitution
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